diff --git a/src/pretix/control/forms/filter.py b/src/pretix/control/forms/filter.py
index fbca154f31..19db3f309d 100644
--- a/src/pretix/control/forms/filter.py
+++ b/src/pretix/control/forms/filter.py
@@ -1,4 +1,4 @@
-from datetime import datetime, time
+from datetime import datetime, time, timedelta
 from decimal import Decimal
 from urllib.parse import urlencode
 
@@ -766,10 +766,15 @@ class SubEventFilterForm(FilterForm):
         ),
         required=False
     )
-    date = forms.DateField(
-        label=_('Date'),
+    date_from = forms.DateField(
+        label=_('Date from'),
         required=False,
-        widget=DatePickerWidget
+        widget=DatePickerWidget,
+    )
+    date_until = forms.DateField(
+        label=_('Date until'),
+        required=False,
+        widget=DatePickerWidget,
     )
     weekday = forms.ChoiceField(
         label=_('Weekday'),
@@ -796,7 +801,8 @@ class SubEventFilterForm(FilterForm):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.fields['date'].widget = DatePickerWidget()
+        self.fields['date_from'].widget = DatePickerWidget()
+        self.fields['date_until'].widget = DatePickerWidget()
 
     def filter_qs(self, qs):
         fdata = self.cleaned_data
@@ -838,19 +844,21 @@ class SubEventFilterForm(FilterForm):
                 Q(name__icontains=i18ncomp(query)) | Q(location__icontains=query)
             )
 
-        if fdata.get('date'):
-            date_start = make_aware(datetime.combine(
-                fdata.get('date'),
+        if fdata.get('date_until'):
+            date_end = make_aware(datetime.combine(
+                fdata.get('date_until') + timedelta(days=1),
                 time(hour=0, minute=0, second=0, microsecond=0)
             ), get_current_timezone())
-            date_end = make_aware(datetime.combine(
-                fdata.get('date'),
-                time(hour=23, minute=59, second=59, microsecond=999999)
-            ), get_current_timezone())
             qs = qs.filter(
-                Q(date_to__isnull=True, date_from__gte=date_start, date_from__lte=date_end) |
-                Q(date_to__isnull=False, date_from__lte=date_end, date_to__gte=date_start)
+                Q(date_to__isnull=True, date_from__lt=date_end) |
+                Q(date_to__isnull=False, date_to__lt=date_end)
             )
+        if fdata.get('date_from'):
+            date_start = make_aware(datetime.combine(
+                fdata.get('date_from'),
+                time(hour=0, minute=0, second=0, microsecond=0)
+            ), get_current_timezone())
+            qs = qs.filter(date_from__gte=date_start)
 
         if fdata.get('ordering'):
             qs = qs.order_by(self.get_order_by())
diff --git a/src/pretix/control/forms/renderers.py b/src/pretix/control/forms/renderers.py
index 7b7edc2272..41a55bdbe4 100644
--- a/src/pretix/control/forms/renderers.py
+++ b/src/pretix/control/forms/renderers.py
@@ -1,4 +1,4 @@
-from bootstrap3.renderers import FieldRenderer
+from bootstrap3.renderers import FieldRenderer, InlineFieldRenderer
 from bootstrap3.text import text_value
 from django.forms import CheckboxInput
 from django.forms.utils import flatatt
@@ -58,3 +58,40 @@ class ControlFieldRenderer(FieldRenderer):
             optional=not required and not isinstance(self.widget, CheckboxInput)
         ) + html
         return html
+
+
+class BulkEditMixin:
+
+    def __init__(self, *args, **kwargs):
+        kwargs['layout'] = self.layout
+        super().__init__(*args, **kwargs)
+
+    def wrap_field(self, html):
+        field_class = self.get_field_class()
+        name = '{}{}'.format(self.field.form.prefix, self.field.name)
+        checked = self.field.form.data and name in self.field.form.data.getlist('_bulk')
+        html = (
+            '<div class="{klass} bulk-edit-field-group">'
+            '<label class="field-toggle">'
+            '<input type="checkbox" name="_bulk" value="{name}" {checked}> {label}'
+            '</label>'
+            '<div class="field-content">'
+            '{html}'
+            '</div>'
+            '</div>'
+        ).format(
+            klass=field_class or '',
+            name=name,
+            label=pgettext('form_bulk', 'change'),
+            checked='checked' if checked else '',
+            html=html
+        )
+        return html
+
+
+class BulkEditFieldRenderer(BulkEditMixin, FieldRenderer):
+    layout = 'horizontal'
+
+
+class InlineBulkEditFieldRenderer(BulkEditMixin, InlineFieldRenderer):
+    layout = 'inline'
diff --git a/src/pretix/control/forms/subevents.py b/src/pretix/control/forms/subevents.py
index 1bbcb7ac44..d06439202b 100644
--- a/src/pretix/control/forms/subevents.py
+++ b/src/pretix/control/forms/subevents.py
@@ -1,8 +1,9 @@
-from datetime import timedelta
+from datetime import datetime, timedelta
 from urllib.parse import urlencode
 
 from django import forms
 from django.forms import formset_factory
+from django.forms.utils import ErrorDict
 from django.urls import reverse
 from django.utils.dates import MONTHS, WEEKDAYS
 from django.utils.functional import cached_property
@@ -11,6 +12,7 @@ from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from i18nfield.forms import I18nInlineFormSet
 
 from pretix.base.forms import I18nModelForm
+from pretix.base.forms.widgets import DatePickerWidget, TimePickerWidget
 from pretix.base.models.event import SubEvent, SubEventMetaValue
 from pretix.base.models.items import SubEventItem
 from pretix.base.reldate import RelativeDateTimeField
@@ -88,6 +90,142 @@ class SubEventBulkForm(SubEventForm):
         del self.fields['date_admission']
 
 
+class NullBooleanSelect(forms.NullBooleanSelect):
+    def __init__(self, attrs=None):
+        choices = (
+            ('unknown', _('Keep the current values')),
+            ('true', _('Yes')),
+            ('false', _('No')),
+        )
+        super(forms.NullBooleanSelect, self).__init__(attrs, choices)
+
+
+class SubEventBulkEditForm(I18nModelForm):
+    def __init__(self, *args, **kwargs):
+        self.mixed_values = kwargs.pop('mixed_values')
+        self.queryset = kwargs.pop('queryset')
+        super().__init__(*args, **kwargs)
+        self.fields['location'].widget.attrs['rows'] = '3'
+
+        for k in ('name', 'location', 'frontpage_text'):
+            # i18n fields
+            if k in self.mixed_values:
+                self.fields[k].widget.attrs['placeholder'] = '[{}]'.format(_('Selection contains various values'))
+            else:
+                self.fields[k].widget.attrs['placeholder'] = ''
+            self.fields[k].one_required = False
+
+        for k in ('geo_lat', 'geo_lon'):
+            # scalar fields
+            if k in self.mixed_values:
+                self.fields[k].widget.attrs['placeholder'] = '[{}]'.format(_('Selection contains various values'))
+            else:
+                self.fields[k].widget.attrs['placeholder'] = ''
+            self.fields[k].widget.is_required = False
+            self.fields[k].required = False
+
+        for k in ('date_from', 'date_to', 'date_admission', 'presale_start', 'presale_end'):
+            self.fields[k + '_day'] = forms.DateField(
+                label=self._meta.model._meta.get_field(k).verbose_name,
+                help_text=self._meta.model._meta.get_field(k).help_text,
+                widget=DatePickerWidget(),
+                required=False,
+            )
+            self.fields[k + '_time'] = forms.TimeField(
+                label=self._meta.model._meta.get_field(k).verbose_name,
+                help_text=self._meta.model._meta.get_field(k).help_text,
+                widget=TimePickerWidget(),
+                required=False,
+            )
+
+    class Meta:
+        model = SubEvent
+        localized_fields = '__all__'
+        fields = [
+            'name',
+            'location',
+            'frontpage_text',
+            'geo_lat',
+            'geo_lon',
+            'is_public',
+            'active',
+        ]
+        field_classes = {
+        }
+        widgets = {
+        }
+
+    def save(self, commit=True):
+        objs = list(self.queryset)
+        fields = set()
+
+        check_map = {
+            'geo_lat': '__geo',
+            'geo_lon': '__geo',
+        }
+        for k in self.fields:
+            cb_val = self.prefix + check_map.get(k, k)
+            if cb_val not in self.data.getlist('_bulk'):
+                continue
+
+            if k.endswith('_day'):
+                for obj in objs:
+                    oldval = getattr(obj, k.replace('_day', ''))
+                    cval = self.cleaned_data[k]
+                    if cval is None:
+                        newval = None
+                        if not self._meta.model._meta.get_field(k.replace('_day', '')).null:
+                            continue
+                    elif oldval:
+                        oldval = oldval.astimezone(self.event.timezone)
+                        newval = oldval.replace(
+                            year=cval.year,
+                            month=cval.month,
+                            day=cval.day,
+                        )
+                    else:
+                        # If there is no previous date/time set, we'll just set to midnight
+                        # If the user also selected a time, this will be overridden anyways
+                        newval = datetime(
+                            year=cval.year,
+                            month=cval.month,
+                            day=cval.day,
+                            tzinfo=self.event.timezone
+                        )
+                    setattr(obj, k.replace('_day', ''), newval)
+                fields.add(k.replace('_day', ''))
+            elif k.endswith('_time'):
+                for obj in objs:
+                    # If there is no previous date/time set and only a time is changed not the
+                    # date, we instead use the date of the event
+                    oldval = getattr(obj, k.replace('_time', '')) or obj.date_from
+                    cval = self.cleaned_data[k]
+                    if cval is None:
+                        continue
+                    oldval = oldval.astimezone(self.event.timezone)
+                    newval = oldval.replace(
+                        hour=cval.hour,
+                        minute=cval.minute,
+                        second=cval.second,
+                    )
+                    setattr(obj, k.replace('_time', ''), newval)
+                fields.add(k.replace('_time', ''))
+            else:
+                fields.add(k)
+                for obj in objs:
+                    setattr(obj, k, self.cleaned_data[k])
+
+        if fields:
+            SubEvent.objects.bulk_update(objs, fields, 200)
+
+    def full_clean(self):
+        if len(self.data) == 0:
+            # form wasn't submitted
+            self._errors = ErrorDict()
+            return
+        super().full_clean()
+
+
 class SubEventItemOrVariationFormMixin:
     def __init__(self, *args, **kwargs):
         self.item = kwargs.pop('item')
@@ -162,7 +300,7 @@ class SubEventMetaValueForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         self.property = kwargs.pop('property')
         self.default = kwargs.pop('default', None)
-        self.disabled = kwargs.pop('disabled')
+        self.disabled = kwargs.pop('disabled', False)
         super().__init__(*args, **kwargs)
         if self.property.allowed_values:
             self.fields['value'] = forms.ChoiceField(
diff --git a/src/pretix/control/templates/pretixcontrol/order/refund_choose.html b/src/pretix/control/templates/pretixcontrol/order/refund_choose.html
index 8ae010e9e8..1d384b7408 100644
--- a/src/pretix/control/templates/pretixcontrol/order/refund_choose.html
+++ b/src/pretix/control/templates/pretixcontrol/order/refund_choose.html
@@ -15,7 +15,8 @@
             {% endblocktrans %}
         </a>
     </h1>
-    <form method="post" href="">
+    <form method="post" href=""
+    >
         {% csrf_token %}
         <fieldset class="form-inline form-refund-choose">
             <legend>{% trans "How should the refund be sent?" %}</legend>
diff --git a/src/pretix/control/templates/pretixcontrol/subevents/bulk_edit.html b/src/pretix/control/templates/pretixcontrol/subevents/bulk_edit.html
new file mode 100644
index 0000000000..292a4ba919
--- /dev/null
+++ b/src/pretix/control/templates/pretixcontrol/subevents/bulk_edit.html
@@ -0,0 +1,351 @@
+{% extends "pretixcontrol/event/base.html" %}
+{% load i18n %}
+{% load bootstrap3 %}
+{% load formset_tags %}
+{% load captureas %}
+{% load static %}
+{% load eventsignal %}
+{% block title %}{% trans "Change multiple dates" context "subevent" %}{% endblock %}
+{% block content %}
+    <h1>
+        {% trans "Change multiple dates" context "subevent" %}
+        <small>
+            {% blocktrans trimmed with number=subevents.count %}
+                {{ number }} selected
+            {% endblocktrans %}
+        </small>
+    </h1>
+    <form action="" method="post" class="form-horizontal" id="subevent-bulk-create-form">
+        {% csrf_token %}
+        {% bootstrap_form_errors form %}
+        {% for f in itemvar_forms %}
+            {% bootstrap_form_errors f %}
+        {% endfor %}
+        <div class="hidden">
+            {% for se in subevents %}
+                <input type="hidden" name="subevent" value="{{ se.pk }}">
+            {% endfor %}
+        </div>
+        <fieldset>
+            <legend>{% trans "General information" %}</legend>
+            {% bootstrap_field form.name layout="bulkedit" %}
+            {% bootstrap_field form.active layout="bulkedit" %}
+            <div class="geodata-section">
+                {% bootstrap_field form.location layout="bulkedit" %}
+                <div class="form-group geodata-group"
+                        data-tiles="{{ global_settings.leaflet_tiles|default_if_none:"" }}"
+                        data-attrib="{{ global_settings.leaflet_tiles_attribution }}"
+                        data-icon="{% static "leaflet/images/marker-icon.png" %}"
+                        data-shadow="{% static "leaflet/images/marker-shadow.png" %}">
+                    <label class="col-md-3 control-label">
+                        {% trans "Geo coordinates" %}
+                    </label>
+                    <div class="col-md-9">
+                        <div class="bulk-edit-field-group">
+                            <label class="field-toggle">
+                                <input type="checkbox" name="_bulk" value="{{ form.prefix }}__geo" {% if form.prefix|add:"__geo" in bulk_selected %}checked{% endif %}>
+                                {% trans "change" context "form_bulk" %}
+                            </label>
+                            <div class="field-content">
+                                <div class="row">
+                                    <div class="col-md-6">
+                                        {% bootstrap_field form.geo_lat layout="inline" %}
+                                        {% if global_settings.opencagedata_apikey %}
+                                            <p class="attrib">
+                                                <a href="https://openstreetmap.org/" target="_blank" tabindex="-1">
+                                                    {% trans "Geocoding data © OpenStreetMap" %}
+                                                </a>
+                                            </p>
+                                        {% endif %}
+                                    </div>
+                                    <div class="col-md-6">
+                                        {% bootstrap_field form.geo_lon layout="inline" %}
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            {% bootstrap_field form.frontpage_text layout="bulkedit" %}
+            {% bootstrap_field form.is_public layout="bulkedit" %}
+            {% if meta_forms %}
+                <div class="form-group metadata-group">
+                    <label class="col-md-3 control-label">{% trans "Meta data" %}</label>
+                    <div class="col-md-9">
+                        {% for form in meta_forms %}
+                            <div class="row">
+                                <div class="col-md-4">
+                                    <label for="{{ form.value.id_for_label }}">
+                                        {{ form.property.name }}
+                                    </label>
+                                </div>
+                                <div class="col-md-8">
+                                    {% bootstrap_form form layout="bulkedit_inline" %}
+                                </div>
+                            </div>
+                        {% endfor %}
+                    </div>
+                </div>
+            {% endif %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Timeline" %}</legend>
+            <div class="form-group">
+                <label class="col-md-3 control-label" for="{{ form.date_from_day.id_for_label }}">
+                    {{ form.date_from_day.label }}
+                </label>
+                <div class="col-md-5">
+                    {% bootstrap_field form.date_from_day layout="bulkedit_inline" form_group_class="" %}
+                </div>
+                <div class="col-md-4">
+                    {% bootstrap_field form.date_from_time layout="bulkedit_inline" form_group_class="" %}
+                </div>
+            </div>
+            <div class="form-group">
+                <label class="col-md-3 control-label" for="{{ form.date_to_day.id_for_label }}">
+                    {{ form.date_to_day.label }}
+                </label>
+                <div class="col-md-5">
+                    {% bootstrap_field form.date_to_day layout="bulkedit_inline" form_group_class="" %}
+                </div>
+                <div class="col-md-4">
+                    {% bootstrap_field form.date_to_time layout="bulkedit_inline" form_group_class="" %}
+                </div>
+            </div>
+            <div class="form-group">
+                <label class="col-md-3 control-label" for="{{ form.date_admission_day.id_for_label }}">
+                    {{ form.date_admission_day.label }}
+                </label>
+                <div class="col-md-5">
+                    {% bootstrap_field form.date_admission_day layout="bulkedit_inline" form_group_class="" %}
+                </div>
+                <div class="col-md-4">
+                    {% bootstrap_field form.date_admission_time layout="bulkedit_inline" form_group_class="" %}
+                </div>
+            </div>
+            <div class="form-group">
+                <label class="col-md-3 control-label" for="{{ form.presale_start_day.id_for_label }}">
+                    {{ form.presale_start_day.label }}
+                </label>
+                <div class="col-md-5">
+                    {% bootstrap_field form.presale_start_day layout="bulkedit_inline" form_group_class="" %}
+                </div>
+                <div class="col-md-4">
+                    {% bootstrap_field form.presale_start_time layout="bulkedit_inline" form_group_class="" %}
+                </div>
+            </div>
+            <div class="form-group">
+                <label class="col-md-3 control-label" for="{{ form.presale_end_day.id_for_label }}">
+                    {{ form.presale_end_day.label }}
+                </label>
+                <div class="col-md-5">
+                    {% bootstrap_field form.presale_end_day layout="bulkedit_inline" form_group_class="" %}
+                </div>
+                <div class="col-md-4">
+                    {% bootstrap_field form.presale_end_time layout="bulkedit_inline" form_group_class="" %}
+                </div>
+            </div>
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Item prices" %}</legend>
+            {% for f in itemvar_forms %}
+                <div class="form-group">
+                    <label class="col-md-3 control-label" for="id_{{ f.prefix }}-price">
+                        {% if f.variation %}{{ f.item }} – {{ f.variation }}{% else %}{{ f.item }}{% endif %}
+                    </label>
+                    <div class="col-md-6">
+                        {% bootstrap_field f.price addon_after=request.event.currency form_group_class="" layout="bulkedit_inline" %}
+                    </div>
+                    <div class="col-md-3">
+                        {% bootstrap_field f.disabled layout="bulkedit_inline" form_group_class="" %}
+                    </div>
+                </div>
+            {% endfor %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Quotas" %}</legend>
+            {% if sampled_quotas|default_if_none:"NONE" == "NONE" %}
+                <div class="alert alert-warning">
+                    {% blocktrans trimmed %}
+                        You selected a set of dates that currently have different quota setups. You can therefore
+                        not change their quotas in bulk. If you want, you can set up a new set of quotas to
+                        <strong>replace</strong> the quota setup of all selected dates.
+                    {% endblocktrans %}
+                </div>
+            {% endif %}
+            <div class="bulk-edit-field-group">
+                <label class="field-toggle">
+                    <input type="checkbox" name="_bulk" value="__quotas" {% if "__quotas" in bulk_selected %}checked{% endif %}>
+                    {% trans "change" context "form_bulk" %}
+                </label>
+                <div class="field-content">
+                    <div class="formset" data-formset data-formset-prefix="{{ formset.prefix }}">
+                        {{ formset.management_form }}
+                        {% bootstrap_formset_errors formset %}
+                        <div data-formset-body>
+                            {% for form in formset %}
+                                <div class="panel panel-default" data-formset-form>
+                                    <div class="sr-only">
+                                        {{ form.id }}
+                                        {% bootstrap_field form.DELETE form_group_class="" layout="inline" %}
+                                    </div>
+                                    <div class="panel-heading">
+                                        <h4 class="panel-title">
+                                            <div class="row">
+                                                <div class="col-md-10">
+                                                    {% bootstrap_field form.name layout='inline' form_group_class="" %}
+                                                </div>
+                                                <div class="col-md-2 text-right flip">
+                                                    <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                        <i class="fa fa-trash"></i></button>
+                                                </div>
+                                            </div>
+                                        </h4>
+                                    </div>
+                                    <div class="panel-body form-horizontal">
+                                        {% bootstrap_form_errors form %}
+                                        {% bootstrap_field form.size layout="control" %}
+                                        {% bootstrap_field form.itemvars layout="control" %}
+                                        {% bootstrap_field form.release_after_exit layout="control" %}
+                                    </div>
+                                </div>
+                            {% endfor %}
+                        </div>
+                        <script type="form-template" data-formset-empty-form>
+                            {% escapescript %}
+                                <div class="panel panel-default" data-formset-form>
+                                    <div class="sr-only">
+                                        {{ formset.empty_form.id }}
+                                        {% bootstrap_field formset.empty_form.DELETE form_group_class="" layout="inline" %}
+                                    </div>
+                                    <div class="panel-heading">
+                                        <h4 class="panel-title">
+                                            <div class="row">
+                                                <div class="col-md-10">
+                                                    {% bootstrap_field formset.empty_form.name layout='inline' form_group_class="" %}
+                                                </div>
+                                                <div class="col-md-2 text-right flip">
+                                                    <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                        <i class="fa fa-trash"></i></button>
+                                                </div>
+                                            </div>
+                                        </h4>
+                                    </div>
+                                    <div class="panel-body form-horizontal">
+                                        {% bootstrap_field formset.empty_form.size layout="control" %}
+                                        {% bootstrap_field formset.empty_form.itemvars layout="control" %}
+                                        {% bootstrap_field formset.empty_form.release_after_exit layout="control" %}
+                                    </div>
+                                </div>
+                            {% endescapescript %}
+                        </script>
+                        <p>
+                            <button type="button" class="btn btn-default" data-formset-add>
+                                <i class="fa fa-plus"></i> {% trans "Add a new quota" %}</button>
+                        </p>
+                    </div>
+                </div>
+            </div>
+        </fieldset>
+        <p>&nbsp;</p>
+        <fieldset>
+            <legend>{% trans "Check-in lists" %}</legend>
+            {% if sampled_lists|default_if_none:"NONE" == "NONE" %}
+                <div class="alert alert-warning">
+                    {% blocktrans trimmed %}
+                        You selected a set of dates that currently have different check-in list setups. You can
+                        therefore not change their check-in lists in bulk.
+                    {% endblocktrans %}
+                </div>
+            {% else %}
+            <div class="bulk-edit-field-group">
+                <label class="field-toggle">
+                    <input type="checkbox" name="_bulk" value="__checkinlists" {% if "__checkinlists" in bulk_selected %}checked{% endif %}>
+                    {% trans "change" context "form_bulk" %}
+                </label>
+                <div class="field-content">
+                        <div class="formset" data-formset data-formset-prefix="{{ cl_formset.prefix }}">
+                        {{ cl_formset.management_form }}
+                        {% bootstrap_formset_errors cl_formset %}
+                        <div data-formset-body>
+                            {% for form in cl_formset %}
+                                <div class="panel panel-default" data-formset-form>
+                                    <div class="sr-only">
+                                        {{ form.id }}
+                                        {% bootstrap_field form.DELETE form_group_class="" layout="inline" %}
+                                    </div>
+                                    <div class="panel-heading">
+                                        <h4 class="panel-title">
+                                            <div class="row">
+                                                <div class="col-md-10">
+                                                    {% bootstrap_field form.name layout='inline' form_group_class="" %}
+                                                </div>
+                                                <div class="col-md-2 text-right flip">
+                                                    <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                        <i class="fa fa-trash"></i></button>
+                                                </div>
+                                            </div>
+                                        </h4>
+                                    </div>
+                                    <div class="panel-body form-horizontal">
+                                        {% bootstrap_form_errors form %}
+                                        {% bootstrap_field form.include_pending layout="control" %}
+                                        {% bootstrap_field form.all_products layout="control" %}
+                                        {% bootstrap_field form.limit_products layout="control" %}
+                                        {% bootstrap_field form.allow_entry_after_exit layout="control" %}
+                                        {% if form.gates %}
+                                            {% bootstrap_field form.gates layout="control" %}
+                                        {% endif %}
+                                    </div>
+                                </div>
+                            {% endfor %}
+                        </div>
+                        <script type="form-template" data-formset-empty-form>
+                            {% escapescript %}
+                                <div class="panel panel-default" data-formset-form>
+                                    <div class="sr-only">
+                                        {{ cl_formset.empty_form.id }}
+                                        {% bootstrap_field cl_formset.empty_form.DELETE form_group_class="" layout="inline" %}
+                                    </div>
+                                    <div class="panel-heading">
+                                        <h4 class="panel-title">
+                                            <div class="row">
+                                                <div class="col-md-10">
+                                                    {% bootstrap_field cl_formset.empty_form.name layout='inline' form_group_class="" %}
+                                                </div>
+                                                <div class="col-md-2 text-right flip">
+                                                    <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                                        <i class="fa fa-trash"></i></button>
+                                                </div>
+                                            </div>
+                                        </h4>
+                                    </div>
+                                    <div class="panel-body form-horizontal">
+                                        {% bootstrap_field cl_formset.empty_form.include_pending layout="control" %}
+                                        {% bootstrap_field cl_formset.empty_form.all_products layout="control" %}
+                                        {% bootstrap_field cl_formset.empty_form.limit_products layout="control" %}
+                                        {% bootstrap_field cl_formset.empty_form.allow_entry_after_exit layout="control" %}
+                                        {% if cl_formset.empty_form.gates %}
+                                            {% bootstrap_field cl_formset.empty_form.gates layout="control" %}
+                                        {% endif %}
+                                    </div>
+                                </div>
+                            {% endescapescript %}
+                        </script>
+                        <p>
+                            <button type="button" class="btn btn-default" data-formset-add>
+                                <i class="fa fa-plus"></i> {% trans "Add a new check-in list" %}
+                            </button>
+                        </p>
+                    </div>
+                </div>
+            {% endif %}
+        </fieldset>
+        <div class="form-group submit-group">
+            <button type="submit" class="btn btn-primary btn-save">
+                {% trans "Save" %}
+            </button>
+        </div>
+    </form>
+{% endblock %}
diff --git a/src/pretix/control/templates/pretixcontrol/subevents/index.html b/src/pretix/control/templates/pretixcontrol/subevents/index.html
index 1a343bf2e4..bdec4ae962 100644
--- a/src/pretix/control/templates/pretixcontrol/subevents/index.html
+++ b/src/pretix/control/templates/pretixcontrol/subevents/index.html
@@ -22,14 +22,17 @@
         </div>
     {% else %}
         <form class="row filter-form" action="" method="get">
-            <div class="col-md-3 col-sm-6 col-xs-12">
+            <div class="col-md-2 col-sm-6 col-xs-12">
                 {% bootstrap_field filter_form.query layout='inline' %}
             </div>
-            <div class="col-md-3 col-sm-6 col-xs-12">
+            <div class="col-md-2 col-sm-6 col-xs-12">
                 {% bootstrap_field filter_form.status layout='inline' %}
             </div>
             <div class="col-md-2 col-sm-6 col-xs-12">
-                {% bootstrap_field filter_form.date layout='inline' %}
+                {% bootstrap_field filter_form.date_from layout='inline' %}
+            </div>
+            <div class="col-md-2 col-sm-6 col-xs-12">
+                {% bootstrap_field filter_form.date_until layout='inline' %}
             </div>
             <div class="col-md-2 col-sm-6 col-xs-12">
                 {% bootstrap_field filter_form.weekday layout='inline' %}
@@ -43,16 +46,21 @@
                 </button>
             </div>
         </form>
-        <p>
-            <a href="{% url "control:event.subevents.add" organizer=request.event.organizer.slug event=request.event.slug %}"
-                    class="btn btn-default"><i class="fa fa-plus"></i>
-                {% trans "Create a new date" context "subevent" %}</a>
-            <a href="{% url "control:event.subevents.bulk" organizer=request.event.organizer.slug event=request.event.slug %}"
-                    class="btn btn-default"><i class="fa fa-plus"></i>
-                {% trans "Create many new dates" context "subevent" %}</a>
-        </p>
+        {% if "can_change_event_settings" in request.eventpermset %}
+            <p>
+                <a href="{% url "control:event.subevents.add" organizer=request.event.organizer.slug event=request.event.slug %}"
+                        class="btn btn-default"><i class="fa fa-plus"></i>
+                    {% trans "Create a new date" context "subevent" %}</a>
+                <a href="{% url "control:event.subevents.bulk" organizer=request.event.organizer.slug event=request.event.slug %}"
+                        class="btn btn-default"><i class="fa fa-plus"></i>
+                    {% trans "Create many new dates" context "subevent" %}</a>
+            </p>
+        {% endif %}
         <form action="{% url "control:event.subevents.bulkaction"  organizer=request.event.organizer.slug event=request.event.slug %}" method="post">
             {% csrf_token %}
+            <div class="hidden">
+                {{ filter_form.as_p }}
+            </div>
             <div class="table-responsive">
                 <table class="table table-hover table-quotas">
                     <thead>
@@ -67,21 +75,33 @@
                         </th>
                         <th>
                             {% trans "Begin" %}
-                            <a href="?{% url_replace request 'ordering' '-date_from' %}"><i class="fa fa-caret-down"></i></a>
-                            <a href="?{% url_replace request 'ordering' 'date_from' %}"><i class="fa fa-caret-up"></i></a>
+                            <a href="?{% url_replace request 'filter-ordering' '-date_from' %}"><i class="fa fa-caret-down"></i></a>
+                            <a href="?{% url_replace request 'filter-ordering' 'date_from' %}"><i class="fa fa-caret-up"></i></a>
                         </th>
                         <th>
                             {% trans "Paid tickets per quota" %}
-                            <a href="?{% url_replace request 'ordering' '-sum_tickets_paid' %}"><i class="fa fa-caret-down"></i></a>
-                            <a href="?{% url_replace request 'ordering' 'sum_tickets_paid' %}"><i class="fa fa-caret-up"></i></a>
+                            <a href="?{% url_replace request 'filter-ordering' '-sum_tickets_paid' %}"><i class="fa fa-caret-down"></i></a>
+                            <a href="?{% url_replace request 'filter-ordering' 'sum_tickets_paid' %}"><i class="fa fa-caret-up"></i></a>
                         </th>
                         <th>
                             {% trans "Status" %}
-                            <a href="?{% url_replace request 'ordering' '-active' %}"><i class="fa fa-caret-down"></i></a>
-                            <a href="?{% url_replace request 'ordering' 'active' %}"><i class="fa fa-caret-up"></i></a>
+                            <a href="?{% url_replace request 'filter-ordering' '-active' %}"><i class="fa fa-caret-down"></i></a>
+                            <a href="?{% url_replace request 'filter-ordering' 'active' %}"><i class="fa fa-caret-up"></i></a>
                         </th>
                         <th></th>
                     </tr>
+                    {% if "can_change_event_settings" in request.eventpermset %}
+                        <tr class="table-select-all warning hidden">
+                            <td>
+                                <input type="checkbox" name="__ALL" id="__all">
+                            </td>
+                            <td colspan="5">
+                                <label for="__all">
+                                    {% trans "Select all results on other pages as well" %}
+                                </label>
+                            </td>
+                        </tr>
+                    {% endif %}
                     </thead>
                     <tbody>
                     {% for s in subevents %}
@@ -150,6 +170,10 @@
                 <button type="submit" class="btn btn-default btn-save" name="action" value="delete">
                     {% trans "Delete selected" %}
                 </button>
+                <button type="submit" class="btn btn-default btn-save" name="action" value="disable"
+                        formaction="{% url "control:event.subevents.bulkedit"  organizer=request.event.organizer.slug event=request.event.slug %}">
+                    {% trans "Change selected" %}
+                </button>
                 <button type="submit" class="btn btn-default btn-save" name="action" value="enable">
                     {% trans "Enable selected" %}
                 </button>
diff --git a/src/pretix/control/urls.py b/src/pretix/control/urls.py
index 2ebd95149f..54202fad5a 100644
--- a/src/pretix/control/urls.py
+++ b/src/pretix/control/urls.py
@@ -174,6 +174,7 @@ urlpatterns = [
         url(r'^subevents/add$', subevents.SubEventCreate.as_view(), name='event.subevents.add'),
         url(r'^subevents/bulk_add$', subevents.SubEventBulkCreate.as_view(), name='event.subevents.bulk'),
         url(r'^subevents/bulk_action$', subevents.SubEventBulkAction.as_view(), name='event.subevents.bulkaction'),
+        url(r'^subevents/bulk_edit$', subevents.SubEventBulkEdit.as_view(), name='event.subevents.bulkedit'),
         url(r'^items/$', item.ItemList.as_view(), name='event.items'),
         url(r'^items/add$', item.ItemCreate.as_view(), name='event.items.add'),
         url(r'^items/(?P<item>\d+)/$', item.ItemUpdateGeneral.as_view(), name='event.item'),
diff --git a/src/pretix/control/views/subevents.py b/src/pretix/control/views/subevents.py
index 4d1fb40511..74137f3b3c 100644
--- a/src/pretix/control/views/subevents.py
+++ b/src/pretix/control/views/subevents.py
@@ -1,14 +1,17 @@
 import copy
+from collections import defaultdict
 from datetime import datetime, time, timedelta
 
 from dateutil.rrule import DAILY, MONTHLY, WEEKLY, YEARLY, rrule, rruleset
 from django.contrib import messages
 from django.core.files import File
 from django.db import connections, transaction
-from django.db.models import F, IntegerField, OuterRef, Prefetch, Subquery, Sum
-from django.db.models.functions import Coalesce
+from django.db.models import (
+    Count, F, IntegerField, OuterRef, Prefetch, Subquery, Sum,
+)
+from django.db.models.functions import Coalesce, TruncDate, TruncTime
 from django.forms import inlineformset_factory
-from django.http import Http404, HttpResponseRedirect
+from django.http import Http404, HttpResponse, HttpResponseRedirect
 from django.shortcuts import redirect, render
 from django.urls import reverse
 from django.utils.formats import get_format
@@ -16,7 +19,9 @@ from django.utils.functional import cached_property
 from django.utils.timezone import make_aware
 from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from django.views import View
-from django.views.generic import CreateView, DeleteView, ListView, UpdateView
+from django.views.generic import (
+    CreateView, DeleteView, FormView, ListView, UpdateView,
+)
 
 from pretix.base.models import CartPosition, LogEntry
 from pretix.base.models.checkin import CheckinList
@@ -31,24 +36,27 @@ from pretix.control.forms.checkin import SimpleCheckinListForm
 from pretix.control.forms.filter import SubEventFilterForm
 from pretix.control.forms.item import QuotaForm
 from pretix.control.forms.subevents import (
-    CheckinListFormSet, QuotaFormSet, RRuleFormSet, SubEventBulkForm,
-    SubEventForm, SubEventItemForm, SubEventItemVariationForm,
-    SubEventMetaValueForm, TimeFormSet,
+    CheckinListFormSet, QuotaFormSet, RRuleFormSet, SubEventBulkEditForm,
+    SubEventBulkForm, SubEventForm, SubEventItemForm,
+    SubEventItemVariationForm, SubEventMetaValueForm, TimeFormSet,
 )
 from pretix.control.permissions import EventPermissionRequiredMixin
 from pretix.control.signals import subevent_forms
 from pretix.control.views import PaginationMixin
 from pretix.control.views.event import MetaDataEditorMixin
+from pretix.helpers import GroupConcat
 from pretix.helpers.models import modelcopy
 
 
-class SubEventList(EventPermissionRequiredMixin, PaginationMixin, ListView):
-    model = SubEvent
-    context_object_name = 'subevents'
-    template_name = 'pretixcontrol/subevents/index.html'
-    permission = 'can_change_settings'
+class SubEventQueryMixin:
 
-    def get_queryset(self):
+    @cached_property
+    def request_data(self):
+        if self.request.method == "POST":
+            return self.request.POST
+        return self.request.GET
+
+    def get_queryset(self, list=False):
         sum_tickets_paid = Quota.objects.filter(
             subevent=OuterRef('pk')
         ).order_by().values('subevent').annotate(
@@ -56,18 +64,39 @@ class SubEventList(EventPermissionRequiredMixin, PaginationMixin, ListView):
         ).values(
             's'
         )
-
-        qs = self.request.event.subevents.annotate(
-            sum_tickets_paid=Subquery(sum_tickets_paid, output_field=IntegerField())
-        ).prefetch_related(
-            Prefetch('quotas',
-                     queryset=Quota.objects.annotate(s=Coalesce(F('size'), 0)).order_by('-s'),
-                     to_attr='first_quotas')
-        )
+        qs = self.request.event.subevents
+        if list:
+            qs = qs.annotate(
+                sum_tickets_paid=Subquery(sum_tickets_paid, output_field=IntegerField())
+            ).prefetch_related(
+                Prefetch('quotas',
+                         queryset=Quota.objects.annotate(s=Coalesce(F('size'), 0)).order_by('-s'),
+                         to_attr='first_quotas')
+            )
         if self.filter_form.is_valid():
             qs = self.filter_form.filter_qs(qs)
+
+        if 'subevent' in self.request_data and '__ALL' not in self.request_data:
+            qs = qs.filter(
+                id__in=self.request_data.getlist('subevent')
+            )
+
         return qs
 
+    @cached_property
+    def filter_form(self):
+        return SubEventFilterForm(data=self.request_data, prefix='filter')
+
+
+class SubEventList(EventPermissionRequiredMixin, PaginationMixin, SubEventQueryMixin, ListView):
+    model = SubEvent
+    context_object_name = 'subevents'
+    template_name = 'pretixcontrol/subevents/index.html'
+    permission = 'can_change_settings'
+
+    def get_queryset(self):
+        return super().get_queryset(True)
+
     def get_context_data(self, **kwargs):
         ctx = super().get_context_data(**kwargs)
         ctx['filter_form'] = self.filter_form
@@ -95,10 +124,6 @@ class SubEventList(EventPermissionRequiredMixin, PaginationMixin, ListView):
                 )
         return ctx
 
-    @cached_property
-    def filter_form(self):
-        return SubEventFilterForm(data=self.request.GET)
-
 
 class SubEventDelete(EventPermissionRequiredMixin, DeleteView):
     model = SubEvent
@@ -535,19 +560,13 @@ class SubEventCreate(SubEventEditorMixin, EventPermissionRequiredMixin, CreateVi
         return formlist
 
 
-class SubEventBulkAction(EventPermissionRequiredMixin, View):
+class SubEventBulkAction(SubEventQueryMixin, EventPermissionRequiredMixin, View):
     permission = 'can_change_settings'
 
-    @cached_property
-    def objects(self):
-        return self.request.event.subevents.filter(
-            id__in=self.request.POST.getlist('subevent')
-        )
-
     @transaction.atomic
     def post(self, request, *args, **kwargs):
         if request.POST.get('action') == 'disable':
-            for obj in self.objects:
+            for obj in self.get_queryset():
                 obj.log_action(
                     'pretix.subevent.changed', user=self.request.user, data={
                         'active': False
@@ -557,7 +576,7 @@ class SubEventBulkAction(EventPermissionRequiredMixin, View):
                 obj.save(update_fields=['active'])
             messages.success(request, pgettext_lazy('subevent', 'The selected dates have been disabled.'))
         elif request.POST.get('action') == 'enable':
-            for obj in self.objects:
+            for obj in self.get_queryset():
                 obj.log_action(
                     'pretix.subevent.changed', user=self.request.user, data={
                         'active': True
@@ -568,11 +587,11 @@ class SubEventBulkAction(EventPermissionRequiredMixin, View):
             messages.success(request, pgettext_lazy('subevent', 'The selected dates have been enabled.'))
         elif request.POST.get('action') == 'delete':
             return render(request, 'pretixcontrol/subevents/delete_bulk.html', {
-                'allowed': self.objects.filter(orderposition__isnull=True),
-                'forbidden': self.objects.filter(orderposition__isnull=False),
+                'allowed': self.get_queryset().filter(orderposition__isnull=True),
+                'forbidden': self.get_queryset().filter(orderposition__isnull=False).distinct(),
             })
         elif request.POST.get('action') == 'delete_confirm':
-            for obj in self.objects:
+            for obj in self.get_queryset():
                 if obj.allow_delete():
                     CartPosition.objects.filter(addon_to__subevent=obj).delete()
                     obj.cartposition_set.all().delete()
@@ -899,3 +918,537 @@ class SubEventBulkCreate(SubEventEditorMixin, EventPermissionRequiredMixin, Crea
 
         messages.error(self.request, _('We could not save your changes. See below for details.'))
         return self.form_invalid(form)
+
+
+class SubEventBulkEdit(SubEventQueryMixin, EventPermissionRequiredMixin, FormView):
+    permission = 'can_change_settings'
+    form_class = SubEventBulkEditForm
+    template_name = 'pretixcontrol/subevents/bulk_edit.html'
+    context_object_name = 'subevent'
+
+    def get_queryset(self):
+        return super().get_queryset().prefetch_related(None).order_by()
+
+    def get_success_url(self) -> str:
+        return reverse('control:event.subevents', kwargs={
+            'organizer': self.request.event.organizer.slug,
+            'event': self.request.event.slug,
+        })
+
+    def get(self, request, *args, **kwargs):
+        return HttpResponse(status=405)
+
+    @cached_property
+    def cached_num(self):
+        return self.get_queryset().count()
+
+    @cached_property
+    def itemvar_forms(self):
+        matches = defaultdict(list)
+        for sei in SubEventItem.objects.filter(
+            subevent__in=self.get_queryset()
+        ).order_by().values('item', 'price', 'disabled').annotate(c=Count('*')):
+            matches['item', sei['item']].append(sei)
+        for sei in SubEventItemVariation.objects.filter(
+            subevent__in=self.get_queryset()
+        ).order_by().values('variation', 'price', 'disabled').annotate(c=Count('*')):
+            matches['variation', sei['variation']].append(sei)
+        total = self.cached_num
+
+        formlist = []
+        for i in self.request.event.items.filter(active=True).prefetch_related('variations'):
+            if i.has_variations:
+                for v in i.variations.all():
+                    m = matches['variation', v.pk]
+                    if m and len(m) == 1 and m[0]['c'] == total:
+                        inst = SubEventItemVariation(variation=v, disabled=m[0]['disabled'], price=m[0]['price'])
+                    else:
+                        inst = SubEventItemVariation(variation=v)
+                    formlist.append(SubEventItemVariationForm(
+                        prefix='itemvar-{}'.format(v.pk),
+                        item=i, variation=v,
+                        instance=inst,
+                        data=(self.request.POST if self.is_submitted else None)
+                    ))
+            else:
+                m = matches['item', i.pk]
+                if m and len(m) == 1 and m[0]['c'] == total:
+                    inst = SubEventItem(item=i, disabled=m[0]['disabled'], price=m[0]['price'])
+                else:
+                    inst = SubEventItem(item=i)
+                formlist.append(SubEventItemForm(
+                    prefix='item-{}'.format(i.pk),
+                    item=i,
+                    instance=inst,
+                    data=(self.request.POST if self.is_submitted else None)
+                ))
+        return formlist
+
+    @cached_property
+    def meta_forms(self):
+        matches = defaultdict(list)
+        for smv in SubEventMetaValue.objects.filter(
+            subevent__in=self.get_queryset()
+        ).order_by().values('property', 'value').annotate(c=Count('*')):
+            matches[smv['property']].append(smv)
+        total = self.cached_num
+
+        formlist = []
+
+        if not hasattr(self, '_default_meta'):
+            self._default_meta = self.request.event.meta_data
+
+        for p in self.request.organizer.meta_properties.all():
+            inst = SubEventMetaValue(property=p)
+            if len(matches[p.id]) == 1 and matches[p.id][0]['c'] == total:
+                inst.value = matches[p.id][0]['value']
+            formlist.append(SubEventMetaValueForm(
+                prefix='prop-{}'.format(p.pk),
+                property=p,
+                default=self._default_meta.get(p.name, ''),
+                instance=inst,
+                data=(self.request.POST if self.is_submitted else None)
+            ))
+        return formlist
+
+    @cached_property
+    def quota_formset(self):
+        extra = 0
+        kwargs = {}
+
+        if self.sampled_quotas is not None:
+            kwargs['instance'] = self.get_queryset()[0]
+
+        formsetclass = inlineformset_factory(
+            SubEvent, Quota,
+            form=QuotaForm, formset=QuotaFormSet, min_num=0, validate_min=False,
+            can_order=False, can_delete=True, extra=extra,
+        )
+        return formsetclass(
+            self.request.POST if self.is_submitted else None,
+            event=self.request.event, **kwargs
+        )
+
+    @cached_property
+    def list_formset(self):
+        extra = 0
+        kwargs = {}
+
+        if self.sampled_lists is not None:
+            kwargs['instance'] = self.get_queryset()[0]
+        else:
+            return None
+
+        formsetclass = inlineformset_factory(
+            SubEvent, CheckinList,
+            form=SimpleCheckinListForm, formset=CheckinListFormSet, min_num=0, validate_min=False,
+            can_order=False, can_delete=True, extra=extra,
+        )
+        return formsetclass(
+            self.request.POST if self.is_submitted else None,
+            event=self.request.event, **kwargs
+        )
+
+    def save_list_formset(self, log_entries):
+        if not self.list_formset.has_changed() or self.sampled_lists is None:
+            return
+        qidx = 0
+        subevents = list(self.get_queryset().prefetch_related('checkinlist_set'))
+        to_save_products = []
+        to_save_gates = []
+
+        for f in self.list_formset.forms:
+            if self.list_formset._should_delete_form(f) and f in self.list_formset.extra_forms:
+                continue
+
+            if self.list_formset._should_delete_form(f):
+                for se in subevents:
+                    q = list(se.checkinlist_set.all())[qidx]
+                    log_entries += [
+                        q.log_action(action='pretix.event.checkinlist.deleted', user=self.request.user, save=False),
+                    ]
+                    q.delete()
+            elif f in self.list_formset.extra_forms:
+                change_data = {k: f.cleaned_data.get(k) for k in f.changed_data}
+                for se in subevents:
+                    q = copy.copy(f.instance)
+                    q.pk = None
+                    q.subevent = se
+                    q.event = self.request.event
+                    q.save()
+                    for _i in f.cleaned_data.get('limit_products', []):
+                        to_save_products.append(CheckinList.limit_products.through(checkinlist_id=q.pk, item_id=_i.pk))
+                    for _i in f.cleaned_data.get('gates', []):
+                        to_save_gates.append(CheckinList.gates.through(checkinlist_id=q.pk, gate_id=_i.pk))
+                    change_data['id'] = q.pk
+                    log_entries.append(
+                        q.log_action(action='pretix.event.checkinlist.added', user=self.request.user,
+                                     data=change_data, save=False)
+                    )
+            else:
+                if f.changed_data:
+                    change_data = {k: f.cleaned_data.get(k) for k in f.changed_data}
+                    for se in subevents:
+                        q = list(se.checkinlist_set.all())[qidx]
+                        for fname in ('name', 'all_products', 'include_pending', 'allow_entry_after_exit'):
+                            setattr(q, fname, f.cleaned_data.get(fname))
+                        q.save()
+                        if 'limit_products' in f.changed_data:
+                            q.limit_products.set(f.cleaned_data.get('limit_products', []))
+                        if 'gates' in f.changed_data:
+                            q.gates.set(f.cleaned_data.get('limit_products', []))
+                        log_entries.append(
+                            q.log_action(action='pretix.event.checkinlist.changed', user=self.request.user,
+                                         data=change_data, save=False)
+                        )
+            qidx += 1
+        if to_save_products:
+            CheckinList.limit_products.through.objects.bulk_create(to_save_products)
+        if to_save_gates:
+            CheckinList.gates.through.objects.bulk_create(to_save_gates)
+
+    def save_quota_formset(self, log_entries):
+        if not self.quota_formset.has_changed():
+            return
+        qidx = 0
+        subevents = list(self.get_queryset().prefetch_related('quotas'))
+        to_save_items = []
+        to_save_variations = []
+        to_delete_quota_ids = []
+
+        if self.sampled_quotas is None:
+            if len(self.quota_formset.forms) == 0:
+                return
+            else:
+                for se in subevents:
+                    for q in se.quotas.all():
+                        to_delete_quota_ids.append(q.pk)
+                        log_entries += [
+                            q.log_action(action='pretix.event.quota.deleted', user=self.request.user, save=False),
+                            se.log_action('pretix.subevent.quota.deleted', user=self.request.user, data={
+                                'id': q.pk
+                            }, save=False)
+                        ]
+
+                if to_delete_quota_ids:
+                    Quota.objects.filter(id__in=to_delete_quota_ids).delete()
+
+        for f in self.quota_formset.forms:
+            if self.quota_formset._should_delete_form(f) and f in self.quota_formset.extra_forms:
+                continue
+
+            selected_items = set(list(self.request.event.items.filter(id__in=[
+                i.split('-')[0] for i in f.cleaned_data.get('itemvars', [])
+            ])))
+            selected_variations = list(ItemVariation.objects.filter(item__event=self.request.event, id__in=[
+                i.split('-')[1] for i in f.cleaned_data.get('itemvars', []) if '-' in i
+            ]))
+
+            if self.quota_formset._should_delete_form(f):
+                for se in subevents:
+                    q = list(se.quotas.all())[qidx]
+                    log_entries += [
+                        q.log_action(action='pretix.event.quota.deleted', user=self.request.user, save=False),
+                        se.log_action('pretix.subevent.quota.deleted', user=self.request.user, data={
+                            'id': q.pk
+                        }, save=False)
+                    ]
+                    q.delete()
+            elif f in self.quota_formset.extra_forms:
+                change_data = {k: f.cleaned_data.get(k) for k in f.changed_data}
+                for se in subevents:
+                    q = copy.copy(f.instance)
+                    q.pk = None
+                    q.subevent = se
+                    q.event = self.request.event
+                    q.save(clear_cache=False)
+                    for _i in selected_items:
+                        to_save_items.append(Quota.items.through(quota_id=q.pk, item_id=_i.pk))
+                    for _i in selected_variations:
+                        to_save_variations.append(Quota.variations.through(quota_id=q.pk, itemvariation_id=_i.pk))
+
+                    change_data['id'] = q.pk
+                    log_entries.append(
+                        q.log_action(action='pretix.event.quota.added', user=self.request.user,
+                                     data=change_data, save=False)
+                    )
+                    log_entries.append(
+                        se.log_action('pretix.subevent.quota.added', user=self.request.user, data=change_data,
+                                      save=False)
+                    )
+            else:
+                if f.changed_data:
+                    change_data = {k: f.cleaned_data.get(k) for k in f.changed_data}
+                    for se in subevents:
+                        q = list(se.quotas.all())[qidx]
+                        for fname in ('size', 'name', 'release_after_exit'):
+                            setattr(q, fname, f.cleaned_data.get(fname))
+                        q.save(clear_cache=False)
+                        if 'itemvar' in f.changed_data:
+                            q.items.set(selected_items)
+                            q.variations.set(selected_variations)
+                        log_entries.append(
+                            q.log_action(action='pretix.event.quota.added', user=self.request.user,
+                                         data=change_data, save=False)
+                        )
+            qidx += 1
+        if to_save_items:
+            Quota.items.through.objects.bulk_create(to_save_items)
+        if to_save_variations:
+            Quota.variations.through.objects.bulk_create(to_save_variations)
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx['subevents'] = self.get_queryset()
+        ctx['filter_form'] = self.filter_form
+        ctx['sampled_quotas'] = self.sampled_quotas
+        ctx['sampled_lists'] = self.sampled_lists
+        ctx['formset'] = self.quota_formset
+        ctx['cl_formset'] = self.list_formset
+        ctx['itemvar_forms'] = self.itemvar_forms
+        ctx['bulk_selected'] = self.request.POST.getlist("_bulk")
+        ctx['meta_forms'] = self.meta_forms
+        return ctx
+
+    @cached_property
+    def sampled_quotas(self):
+        all_quotas = Quota.objects.filter(
+            subevent__in=self.get_queryset()
+        ).annotate(
+            item_list=GroupConcat('items__id'),
+            var_list=GroupConcat('variations__id'),
+        ).values(
+            'item_list', 'var_list',
+            *(f.name for f in Quota._meta.fields if f.name not in (
+                'id', 'event', 'items', 'variations', 'cached_availability_state', 'cached_availability_number',
+                'cached_availability_paid_orders', 'cached_availability_time', 'closed',
+            ))
+        ).order_by('subevent_id')
+
+        if not all_quotas:
+            return Quota.objects.none()
+
+        quotas_by_subevent = defaultdict(list)
+        for q in all_quotas:
+            quotas_by_subevent[q.pop('subevent')].append(q)
+
+        prev = None
+        for se in self.get_queryset():
+            if se.pk not in quotas_by_subevent:
+                return None
+
+            if prev is None:
+                prev = quotas_by_subevent[se.pk]
+
+            if quotas_by_subevent[se.pk] != prev:
+                return None
+        return se.quotas.all()
+
+    @cached_property
+    def sampled_lists(self):
+        all_lists = CheckinList.objects.filter(
+            subevent__in=self.get_queryset()
+        ).annotate(
+            item_list=GroupConcat('limit_products__id'),
+            gates_list=GroupConcat('gates__id'),
+        ).values(
+            'item_list', 'gates_list',
+            *(f.name for f in CheckinList._meta.fields if f.name not in (
+                'id', 'event', 'limit_products', 'gates',
+            ))
+        ).order_by('subevent_id')
+
+        if not all_lists:
+            return SubEvent.objects.none()
+
+        lists_by_subevent = defaultdict(list)
+        for cl in all_lists:
+            lists_by_subevent[cl.pop('subevent')].append(cl)
+
+        prev = None
+        for se in self.get_queryset():
+            if se.pk not in lists_by_subevent:
+                return None
+
+            if prev is None:
+                prev = lists_by_subevent[se.pk]
+
+            if lists_by_subevent[se.pk] != prev:
+                return None
+        return se.checkinlist_set.all()
+
+    @cached_property
+    def is_submitted(self):
+        # Usually, django considers a form "bound" / "submitted" on every POST request. However, this view is always
+        # called with POST method, even if just to pass the selection of objects to work on, so we want to modify
+        # that behaviour
+        return '_bulk' in self.request.POST
+
+    def get_form_kwargs(self):
+        initial = {}
+        mixed_values = set()
+        qs = self.get_queryset()
+
+        qs = qs.annotate(
+            **{
+                # TODO: Once we're on Django 3.2, pass a tzinfo parameter
+                # Before Django 3.2, it uses the current timezone, which is hopefully fine
+                # as well in all cases we are concerned about
+                # See also: https://code.djangoproject.com/ticket/31948
+                k + '_day': TruncDate(k)
+                for k in ('date_from', 'date_to', 'date_admission', 'presale_start', 'presale_end')
+            },
+            **{
+                k + '_time': TruncTime(k)
+                for k in ('date_from', 'date_to', 'date_admission', 'presale_start', 'presale_end')
+            },
+        )
+
+        fields = {
+            'name',
+            'location',
+            'frontpage_text',
+            'geo_lat',
+            'geo_lon',
+            'is_public',
+            'active',
+            'date_from_day',
+            'date_from_time',
+            'date_to_day',
+            'date_to_time',
+            'date_admission_day',
+            'date_admission_time',
+            'presale_start_day',
+            'presale_start_time',
+            'presale_end_day',
+            'presale_end_time',
+        }
+        for k in fields:
+            existing_values = list(qs.order_by(k).values(k).annotate(c=Count('*')))
+            if len(existing_values) == 1:
+                initial[k] = existing_values[0][k]
+            elif len(existing_values) > 1:
+                mixed_values.add(k)
+                initial[k] = None
+
+        kwargs = super().get_form_kwargs()
+        kwargs['event'] = self.request.event
+        kwargs['prefix'] = 'bulkedit'
+        kwargs['initial'] = initial
+        kwargs['queryset'] = self.get_queryset()
+        kwargs['mixed_values'] = mixed_values
+        if not self.is_submitted:
+            kwargs['data'] = None
+            kwargs['files'] = None
+        return kwargs
+
+    def post(self, request, *args, **kwargs):
+        form = self.get_form()
+        is_valid = (
+            self.is_submitted and
+            form.is_valid() and
+            self.quota_formset.is_valid() and
+            (not self.list_formset or self.list_formset.is_valid()) and
+            all(f.is_valid() for f in self.itemvar_forms)and
+            all(f.is_valid() for f in self.meta_forms)
+        )
+        if is_valid:
+            return self.form_valid(form)
+        else:
+            if self.is_submitted:
+                messages.error(self.request, _('We could not save your changes. See below for details.'))
+            return self.form_invalid(form)
+
+    def save_meta(self):
+        for f in self.meta_forms:
+            if f.prefix + 'value' not in self.request.POST.getlist('_bulk'):
+                continue
+
+            if f.cleaned_data.get('value'):
+                for obj in self.get_queryset():
+                    SubEventMetaValue.objects.update_or_create(
+                        property=f.instance.property,
+                        subevent=obj,
+                        defaults={
+                            'value': f.cleaned_data['value']
+                        }
+                    )
+            else:
+                SubEventMetaValue.objects.filter(
+                    property=f.instance.property,
+                    subevent__in=self.get_queryset()
+                ).delete()
+
+    def save_itemvars(self):
+        for f in self.itemvar_forms:
+            u = {}
+            if f.prefix + 'price' in self.request.POST.getlist('_bulk'):
+                u['price'] = f.cleaned_data.get('price')
+            if f.prefix + 'disabled' in self.request.POST.getlist('_bulk'):
+                u['disabled'] = f.cleaned_data.get('disabled')
+
+            if not u:
+                continue
+
+            if isinstance(f, SubEventItemForm):
+                if u.get('price') is None and not u.get('disabled'):
+                    SubEventItem.objects.filter(
+                        subevent__in=self.get_queryset(),
+                        item=f.instance.item,
+                    ).delete()
+                else:
+                    for obj in self.get_queryset():
+                        SubEventItem.objects.update_or_create(
+                            subevent=obj,
+                            item=f.instance.item,
+                            defaults=u
+                        )
+            elif isinstance(f, SubEventItemVariationForm):
+                if u.get('price') is None and not u.get('disabled'):
+                    SubEventItemVariation.objects.filter(
+                        subevent__in=self.get_queryset(),
+                        variation=f.instance.variation,
+                    ).delete()
+                else:
+                    for obj in self.get_queryset():
+                        SubEventItemVariation.objects.update_or_create(
+                            subevent=obj,
+                            variation=f.instance.variation,
+                            defaults=u
+                        )
+
+    @transaction.atomic()
+    def form_valid(self, form):
+        log_entries = []
+
+        # Main form
+        form.save()
+        data = {
+            k: v for k, v in form.cleaned_data.items() if k in form.changed_data
+        }
+        data['_raw_bulk_data'] = self.request.POST.dict()
+        for obj in self.get_queryset():
+            log_entries.append(
+                obj.log_action('pretix.subevent.changed', data=data, user=self.request.user, save=False)
+            )
+
+        # Formsets
+        if '__quotas' in self.request.POST.getlist('_bulk'):
+            self.save_quota_formset(log_entries)
+        if '__checkinlists' in self.request.POST.getlist('_bulk'):
+            self.save_list_formset(log_entries)
+
+        self.save_itemvars()
+        self.save_meta()
+
+        if connections['default'].features.can_return_rows_from_bulk_insert:
+            LogEntry.objects.bulk_create(log_entries, batch_size=200)
+            LogEntry.bulk_postprocess(log_entries)
+        else:
+            for le in log_entries:
+                le.save()
+            LogEntry.bulk_postprocess(log_entries)
+
+        self.request.event.cache.clear()
+        messages.success(self.request, _('Your changes have been saved.'))
+        return super().form_valid(form)
diff --git a/src/pretix/settings.py b/src/pretix/settings.py
index 2b86c8d0a9..f53d825026 100644
--- a/src/pretix/settings.py
+++ b/src/pretix/settings.py
@@ -720,6 +720,8 @@ BOOTSTRAP3 = {
         'default': 'bootstrap3.renderers.FieldRenderer',
         'inline': 'bootstrap3.renderers.InlineFieldRenderer',
         'control': 'pretix.control.forms.renderers.ControlFieldRenderer',
+        'bulkedit': 'pretix.control.forms.renderers.BulkEditFieldRenderer',
+        'bulkedit_inline': 'pretix.control.forms.renderers.InlineBulkEditFieldRenderer',
         'checkout': 'pretix.presale.forms.renderers.CheckoutFieldRenderer',
     },
 }
@@ -758,3 +760,6 @@ OAUTH2_PROVIDER = {
 COUNTRIES_OVERRIDE = {
     'XK': _('Kosovo'),
 }
+
+DATA_UPLOAD_MAX_NUMBER_FIELDS = 25000
+DATA_UPLOAD_MAX_MEMORY_SIZE = 10 * 1024 * 1024  # 10 MB
diff --git a/src/pretix/static/pretixcontrol/js/ui/main.js b/src/pretix/static/pretixcontrol/js/ui/main.js
index 092f3f83d8..40ea6acfd4 100644
--- a/src/pretix/static/pretixcontrol/js/ui/main.js
+++ b/src/pretix/static/pretixcontrol/js/ui/main.js
@@ -546,6 +546,25 @@ var form_handlers = function (el) {
         );
     });
 
+    el.find(".bulk-edit-field-group").each(function () {
+        var $checkbox = $(this).find("input[type=checkbox][name=_bulk]");
+        var $content = $(this).find(".field-content");
+        var $fields = $content.find("input, select, textarea, button");
+
+        var update = function () {
+            var isChecked = $checkbox.prop("checked");
+            $content.toggleClass("enabled", isChecked);
+            $fields.attr("tabIndex", isChecked ? 0 : -1);
+        }
+        $content.on("focusin change click", function () {
+            if ($checkbox.prop("checked")) return;
+            $checkbox.prop("checked", true);
+            update();
+        });
+        $checkbox.on('change', update)
+        update();
+    });
+
     el.find("input[name*=question], select[name*=question]").change(questions_toggle_dependent);
     questions_toggle_dependent();
 };
@@ -563,7 +582,6 @@ $(function () {
         }
     );
     $("[data-formset]").on("formAdded", "div", function (event) {
-        console.log("formAdded")
         form_handlers($(event.target));
     });
     $(document).on("click", ".variations .variations-select-all", function (e) {
@@ -676,7 +694,7 @@ $(function () {
         var update = function () {
             var all_true = true;
             var all_false = true;
-            $toggle.closest("table").find("td:first-child input[type=checkbox]").each(function () {
+            $toggle.closest("table").find("tbody td:first-child input[type=checkbox]").each(function () {
                 if ($(this).prop("checked")) {
                     all_false = false;
                 } else {
@@ -690,11 +708,29 @@ $(function () {
             } else {
                 $toggle.prop("checked", false).prop("indeterminate", true);
             }
+            var is_incomplete = $toggle.prop("indeterminate") || !$toggle.prop("checked")
+            $toggle.closest("table").find(".table-select-all").toggleClass(
+                "hidden", is_incomplete
+            )
+            if (is_incomplete) {
+                $toggle.closest("table").find(".table-select-all input").prop(
+                     "checked", false
+                )
+            }
         };
 
         $(this).closest("table").find("td:first-child input[type=checkbox]").change(update);
         $(this).change(function (ev) {
-            $(this).closest("table").find("td:first-child input[type=checkbox]").prop("checked", $(this).prop("checked"));
+            $(this).closest("table").find("tbody td:first-child input[type=checkbox]").prop("checked", $(this).prop("checked"));
+            var is_incomplete = $(this).prop("indeterminate") || !$(this).prop("checked")
+            $(this).closest("table").find(".table-select-all").toggleClass(
+                "hidden", is_incomplete
+            )
+            if (is_incomplete) {
+                $(this).closest("table").find(".table-select-all input").prop(
+                     "checked", false
+                )
+            }
         });
     });
 
diff --git a/src/pretix/static/pretixcontrol/scss/_forms.scss b/src/pretix/static/pretixcontrol/scss/_forms.scss
index 18279f0463..d45a761182 100644
--- a/src/pretix/static/pretixcontrol/scss/_forms.scss
+++ b/src/pretix/static/pretixcontrol/scss/_forms.scss
@@ -613,3 +613,33 @@ table td > .checkbox input[type="checkbox"] {
   border-bottom: 1px solid $input-border;
   padding-bottom: 5px;
 }
+
+.bulk-edit-field-group {
+  .field-toggle {
+    font-weight: normal;
+    display: inline-block;
+    background: $gray-lighter;
+    padding: 2px 8px 4px;
+    border-top-left-radius: $border-radius-base;
+    border-top-right-radius: $border-radius-base;
+    margin-bottom: 0;
+    input {
+      position: relative;
+      top: 2px;
+    }
+  }
+  .field-content {
+    border: 2px solid $gray-lighter;
+    padding: 15px;
+    opacity: 0.5;
+    .datepickerfield::placeholder, .timepickerfield::placeholder {
+      opacity: 0;
+    }
+    &.enabled {
+      opacity: 1;
+      .datepickerfield::placeholder, .timepickerfield::placeholder {
+        opacity: 1;
+      }
+    }
+  }
+}
diff --git a/src/tests/base/__init__.py b/src/tests/base/__init__.py
index 1fbe325330..abdd76fbaa 100644
--- a/src/tests/base/__init__.py
+++ b/src/tests/base/__init__.py
@@ -34,16 +34,32 @@ def extract_form_fields(soup):
 
         if field['type'] in ('checkbox', 'radio'):
             if field.has_attr('checked') and field.has_attr('name'):
-                data[field['name']] = field.get('value', 'on')
+                if field['name'] in data:
+                    if not isinstance(data[field['name']], list):
+                        data[field['name']] = [data[field['name']]]
+                    data[field['name']].append(field.get('value', 'on'))
+                else:
+                    data[field['name']] = field.get('value', 'on')
             continue
         elif field.has_attr('name'):
             # single element name/value fields
-            data[field['name']] = field.get('value', '')
+            value = field.get('value', '')
+            if field['name'] in data:
+                if not isinstance(data[field['name']], list):
+                    data[field['name']] = [data[field['name']]]
+                data[field['name']].append(value)
+            else:
+                data[field['name']] = value
             continue
 
     # textareas
     for textarea in soup.findAll('textarea'):
-        data[textarea['name']] = textarea.text or ''
+        if textarea['name'] in data:
+            if not isinstance(data[textarea['name']], list):
+                data[textarea['name']] = [data[textarea['name']]]
+            data[textarea['name']].append(textarea.text or '')
+        else:
+            data[textarea['name']] = textarea.text or ''
 
     # select fields
     for select in soup.find_all('select'):
@@ -66,6 +82,11 @@ def extract_form_fields(soup):
         else:
             value = [option['value'] for option in selected_options]
 
-        data[select['name']] = value
+        if select['name'] in data:
+            if not isinstance(data[select['name']], list):
+                data[select['name']] = [data[select['name']]]
+            data[select['name']].append(value)
+        else:
+            data[select['name']] = value
 
     return data
diff --git a/src/tests/control/test_events.py b/src/tests/control/test_events.py
index 69caa09e6a..25cbbd3e24 100644
--- a/src/tests/control/test_events.py
+++ b/src/tests/control/test_events.py
@@ -9,10 +9,7 @@ from i18nfield.strings import LazyI18nString
 from pytz import timezone
 from tests.base import SoupTest, extract_form_fields
 
-from pretix.base.models import (
-    Event, Order, OrderPosition, Organizer, SubEvent, Team, User,
-)
-from pretix.base.models.items import SubEventItem
+from pretix.base.models import Event, Order, Organizer, Team, User
 from pretix.testutils.mock import mocker_context
 
 
@@ -996,646 +993,6 @@ class EventsTest(SoupTest):
         assert doc.select(".has-error")
 
 
-class SubEventsTest(SoupTest):
-    @scopes_disabled()
-    def setUp(self):
-        super().setUp()
-        self.user = User.objects.create_user('dummy@dummy.dummy', 'dummy')
-        self.orga1 = Organizer.objects.create(name='CCC', slug='ccc')
-        self.event1 = Event.objects.create(
-            organizer=self.orga1, name='30C3', slug='30c3',
-            date_from=datetime.datetime(2013, 12, 26, tzinfo=datetime.timezone.utc),
-            plugins='pretix.plugins.banktransfer,tests.testdummy',
-            has_subevents=True
-        )
-
-        t = Team.objects.create(organizer=self.orga1, can_create_events=True, can_change_event_settings=True,
-                                can_change_items=True)
-        t.members.add(self.user)
-        t.limit_events.add(self.event1)
-        self.ticket = self.event1.items.create(name='Early-bird ticket',
-                                               category=None, default_price=23,
-                                               admission=True)
-
-        self.client.login(email='dummy@dummy.dummy', password='dummy')
-
-        self.subevent1 = self.event1.subevents.create(name='SE1', date_from=now())
-        self.subevent2 = self.event1.subevents.create(name='SE2', date_from=now())
-
-    def test_list(self):
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/')
-        tabletext = doc.select("#page-wrapper .table")[0].text
-        self.assertIn("SE1", tabletext)
-
-    def test_create(self):
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/add')
-        assert doc.select("input[name=quotas-TOTAL_FORMS]")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/add', {
-            'name_0': 'SE2',
-            'active': 'on',
-            'date_from_0': '2017-07-01',
-            'date_from_1': '10:00:00',
-            'date_to_0': '2017-07-01',
-            'date_to_1': '12:00:00',
-            'location_0': 'Hamburg',
-            'presale_start_0': '2017-06-20',
-            'presale_start_1': '10:00:00',
-            'checkinlist_set-TOTAL_FORMS': '1',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-            'checkinlist_set-0-name': 'Default',
-            'checkinlist_set-0-all_products': 'on',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '0',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-name': 'Q1',
-            'quotas-0-size': '50',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'item-%d-price' % self.ticket.pk: '12'
-        })
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            se = self.event1.subevents.first()
-            assert str(se.name) == "SE2"
-            assert se.active
-            assert se.date_from.isoformat() == "2017-07-01T10:00:00+00:00"
-            assert se.date_to.isoformat() == "2017-07-01T12:00:00+00:00"
-            assert str(se.location) == "Hamburg"
-            assert se.presale_start.isoformat() == "2017-06-20T10:00:00+00:00"
-            assert not se.presale_end
-            assert se.quotas.count() == 1
-            q = se.quotas.last()
-            assert q.name == "Q1"
-            assert q.size == 50
-            assert list(q.items.all()) == [self.ticket]
-            sei = SubEventItem.objects.get(subevent=se, item=self.ticket)
-            assert sei.price == 12
-            assert se.checkinlist_set.count() == 1
-
-    def test_modify(self):
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/%d/' % self.subevent1.pk)
-        assert doc.select("input[name=quotas-TOTAL_FORMS]")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/' % self.subevent1.pk, {
-            'name_0': 'SE2',
-            'active': 'on',
-            'date_from_0': '2017-07-01',
-            'date_from_1': '10:00:00',
-            'date_to_0': '2017-07-01',
-            'date_to_1': '12:00:00',
-            'location_0': 'Hamburg',
-            'presale_start_0': '2017-06-20',
-            'presale_start_1': '10:00:00',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '0',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-name': 'Q1',
-            'quotas-0-size': '50',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'checkinlist_set-TOTAL_FORMS': '1',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-            'checkinlist_set-0-name': 'Default',
-            'checkinlist_set-0-all_products': 'on',
-            'item-%d-price' % self.ticket.pk: '12'
-        })
-        assert doc.select(".alert-success")
-        self.subevent1.refresh_from_db()
-        se = self.subevent1
-        assert str(se.name) == "SE2"
-        assert se.active
-        assert se.date_from.isoformat() == "2017-07-01T10:00:00+00:00"
-        assert se.date_to.isoformat() == "2017-07-01T12:00:00+00:00"
-        assert str(se.location) == "Hamburg"
-        assert se.presale_start.isoformat() == "2017-06-20T10:00:00+00:00"
-        assert not se.presale_end
-        with scopes_disabled():
-            assert se.quotas.count() == 1
-            q = se.quotas.last()
-            assert q.name == "Q1"
-            assert q.size == 50
-            assert list(q.items.all()) == [self.ticket]
-            sei = SubEventItem.objects.get(subevent=se, item=self.ticket)
-            assert sei.price == 12
-            assert se.checkinlist_set.count() == 1
-
-    def test_delete(self):
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk)
-        assert doc.select("button")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk, {})
-        assert doc.select(".alert-success")
-        # deleting the second event
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent2.pk, {})
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            assert not SubEvent.objects.filter(pk=self.subevent2.pk).exists()
-            assert not SubEvent.objects.filter(pk=self.subevent1.pk).exists()
-
-    def test_delete_with_orders(self):
-        with scopes_disabled():
-            o = Order.objects.create(
-                code='FOO', event=self.event1, email='dummy@dummy.test',
-                status=Order.STATUS_PENDING,
-                datetime=now(), expires=now() + datetime.timedelta(days=10),
-                total=14, locale='en'
-            )
-            OrderPosition.objects.create(
-                order=o,
-                item=self.ticket,
-                subevent=self.subevent1,
-                price=Decimal("14"),
-            )
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk, follow=True)
-        assert doc.select(".alert-danger")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk, {}, follow=True)
-        assert doc.select(".alert-danger")
-        with scopes_disabled():
-            assert self.event1.subevents.filter(pk=self.subevent1.pk).exists()
-
-    def test_create_bulk(self):
-        with scopes_disabled():
-            self.event1.subevents.all().delete()
-        self.event1.settings.timezone = 'Europe/Berlin'
-
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
-        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
-            'rruleformset-TOTAL_FORMS': '1',
-            'rruleformset-INITIAL_FORMS': '0',
-            'rruleformset-MIN_NUM_FORMS': '0',
-            'rruleformset-MAX_NUM_FORMS': '1000',
-            'rruleformset-0-interval': '1',
-            'rruleformset-0-freq': 'yearly',
-            'rruleformset-0-dtstart': '2018-04-03',
-            'rruleformset-0-yearly_same': 'on',
-            'rruleformset-0-yearly_bysetpos': '1',
-            'rruleformset-0-yearly_byweekday': 'MO',
-            'rruleformset-0-yearly_bymonth': '1',
-            'rruleformset-0-monthly_same': 'on',
-            'rruleformset-0-monthly_bysetpos': '1',
-            'rruleformset-0-monthly_byweekday': 'MO',
-            'rruleformset-0-end': 'count',
-            'rruleformset-0-count': '10',
-            'rruleformset-0-until': '2019-04-03',
-            'timeformset-TOTAL_FORMS': '1',
-            'timeformset-INITIAL_FORMS': '0',
-            'timeformset-MIN_NUM_FORMS': '1',
-            'timeformset-MAX_NUM_FORMS': '1000',
-            'timeformset-0-time_from': '13:29:31',
-            'timeformset-0-time_to': '15:29:31',
-            'name_0': 'Foo',
-            'active': 'on',
-            'location_0': 'Loc',
-            'time_admission': '',
-            'frontpage_text_0': '',
-            'rel_presale_start_0': 'unset',
-            'rel_presale_start_1': '',
-            'rel_presale_start_2': '1',
-            'rel_presale_start_3': 'date_from',
-            'rel_presale_start_4': '',
-            'rel_presale_end_1': '',
-            'rel_presale_end_0': 'relative',
-            'rel_presale_end_2': '1',
-            'rel_presale_end_3': 'date_from',
-            'rel_presale_end_4': '13:29:31',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '0',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-id': '',
-            'quotas-0-name': 'Bar',
-            'quotas-0-size': '12',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'item-%d-price' % self.ticket.pk: '16',
-            'checkinlist_set-TOTAL_FORMS': '1',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-            'checkinlist_set-0-id': '',
-            'checkinlist_set-0-name': 'Foo',
-            'checkinlist_set-0-limit_products': str(self.ticket.pk),
-        })
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            ses = list(self.event1.subevents.order_by('date_from'))
-        assert len(ses) == 10
-
-        assert str(ses[0].name) == "Foo"
-        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
-        assert ses[0].date_to.isoformat() == "2018-04-03T13:29:31+00:00"
-        assert not ses[0].presale_start
-        assert ses[0].presale_end.isoformat() == "2018-04-02T11:29:31+00:00"
-        with scopes_disabled():
-            assert ses[0].quotas.count() == 1
-            assert list(ses[0].quotas.first().items.all()) == [self.ticket]
-            assert SubEventItem.objects.get(subevent=ses[0], item=self.ticket).price == 16
-            assert ses[0].checkinlist_set.count() == 1
-
-        assert str(ses[1].name) == "Foo"
-        assert ses[1].date_from.isoformat() == "2019-04-03T11:29:31+00:00"
-        assert ses[1].date_to.isoformat() == "2019-04-03T13:29:31+00:00"
-        assert not ses[1].presale_start
-        assert ses[1].presale_end.isoformat() == "2019-04-02T11:29:31+00:00"
-        with scopes_disabled():
-            assert ses[1].quotas.count() == 1
-            assert list(ses[1].quotas.first().items.all()) == [self.ticket]
-            assert SubEventItem.objects.get(subevent=ses[0], item=self.ticket).price == 16
-            assert ses[1].checkinlist_set.count() == 1
-
-        assert ses[-1].date_from.isoformat() == "2027-04-03T11:29:31+00:00"
-
-    def test_create_bulk_daily_interval(self):
-        with scopes_disabled():
-            self.event1.subevents.all().delete()
-        self.event1.settings.timezone = 'Europe/Berlin'
-
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
-        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
-            'rruleformset-TOTAL_FORMS': '1',
-            'rruleformset-INITIAL_FORMS': '0',
-            'rruleformset-MIN_NUM_FORMS': '0',
-            'rruleformset-MAX_NUM_FORMS': '1000',
-            'rruleformset-0-interval': '2',
-            'rruleformset-0-freq': 'daily',
-            'rruleformset-0-dtstart': '2018-04-03',
-            'rruleformset-0-yearly_same': 'on',
-            'rruleformset-0-yearly_bysetpos': '1',
-            'rruleformset-0-yearly_byweekday': 'MO',
-            'rruleformset-0-yearly_bymonth': '1',
-            'rruleformset-0-monthly_same': 'on',
-            'rruleformset-0-monthly_bysetpos': '1',
-            'rruleformset-0-monthly_byweekday': 'MO',
-            'rruleformset-0-end': 'until',
-            'rruleformset-0-count': '10',
-            'rruleformset-0-until': '2019-04-03',
-            'timeformset-TOTAL_FORMS': '1',
-            'timeformset-INITIAL_FORMS': '0',
-            'timeformset-MIN_NUM_FORMS': '1',
-            'timeformset-MAX_NUM_FORMS': '1000',
-            'timeformset-0-time_from': '13:29:31',
-            'timeformset-0-time_to': '15:29:31',
-            'name_0': 'Foo',
-            'active': 'on',
-            'frontpage_text_0': '',
-            'rel_presale_start_0': 'unset',
-            'rel_presale_start_1': '',
-            'rel_presale_start_2': '1',
-            'rel_presale_start_3': 'date_from',
-            'rel_presale_start_4': '',
-            'rel_presale_end_1': '',
-            'rel_presale_end_0': 'relative',
-            'rel_presale_end_2': '1',
-            'rel_presale_end_3': 'date_from',
-            'rel_presale_end_4': '13:29:31',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '1',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-name': 'Q1',
-            'quotas-0-size': '50',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'checkinlist_set-TOTAL_FORMS': '0',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-        })
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            ses = list(self.event1.subevents.order_by('date_from'))
-        assert len(ses) == 183
-
-        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
-        assert ses[110].date_from.isoformat() == "2018-11-09T12:29:31+00:00"  # DST :)
-        assert ses[-1].date_from.isoformat() == "2019-04-02T11:29:31+00:00"
-
-    def test_create_bulk_daily_interval_multiple_times(self):
-        with scopes_disabled():
-            self.event1.subevents.all().delete()
-        self.event1.settings.timezone = 'Europe/Berlin'
-
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
-        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
-            'rruleformset-TOTAL_FORMS': '1',
-            'rruleformset-INITIAL_FORMS': '0',
-            'rruleformset-MIN_NUM_FORMS': '0',
-            'rruleformset-MAX_NUM_FORMS': '1000',
-            'rruleformset-0-interval': '2',
-            'rruleformset-0-freq': 'daily',
-            'rruleformset-0-dtstart': '2018-04-03',
-            'rruleformset-0-yearly_same': 'on',
-            'rruleformset-0-yearly_bysetpos': '1',
-            'rruleformset-0-yearly_byweekday': 'MO',
-            'rruleformset-0-yearly_bymonth': '1',
-            'rruleformset-0-monthly_same': 'on',
-            'rruleformset-0-monthly_bysetpos': '1',
-            'rruleformset-0-monthly_byweekday': 'MO',
-            'rruleformset-0-end': 'until',
-            'rruleformset-0-count': '10',
-            'rruleformset-0-until': '2019-04-03',
-            'timeformset-TOTAL_FORMS': '2',
-            'timeformset-INITIAL_FORMS': '0',
-            'timeformset-MIN_NUM_FORMS': '1',
-            'timeformset-MAX_NUM_FORMS': '1000',
-            'timeformset-0-time_from': '13:29:31',
-            'timeformset-0-time_to': '15:29:31',
-            'timeformset-1-time_from': '15:29:31',
-            'timeformset-1-time_to': '17:29:31',
-            'name_0': 'Foo',
-            'active': 'on',
-            'frontpage_text_0': '',
-            'rel_presale_start_0': 'unset',
-            'rel_presale_start_1': '',
-            'rel_presale_start_2': '1',
-            'rel_presale_start_3': 'date_from',
-            'rel_presale_start_4': '',
-            'rel_presale_end_1': '',
-            'rel_presale_end_0': 'relative',
-            'rel_presale_end_2': '1',
-            'rel_presale_end_3': 'date_from',
-            'rel_presale_end_4': '13:29:31',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '0',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-name': 'Q1',
-            'quotas-0-size': '50',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'checkinlist_set-TOTAL_FORMS': '0',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-        })
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            ses = list(self.event1.subevents.order_by('date_from'))
-        assert len(ses) == 183 * 2
-
-        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
-        assert ses[1].date_from.isoformat() == "2018-04-03T13:29:31+00:00"
-        assert ses[220].date_from.isoformat() == "2018-11-09T12:29:31+00:00"  # DST :)
-        assert ses[-1].date_from.isoformat() == "2019-04-02T13:29:31+00:00"
-
-    def test_create_bulk_exclude(self):
-        with scopes_disabled():
-            self.event1.subevents.all().delete()
-        self.event1.settings.timezone = 'Europe/Berlin'
-
-        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
-        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
-            'rruleformset-TOTAL_FORMS': '2',
-            'rruleformset-INITIAL_FORMS': '0',
-            'rruleformset-MIN_NUM_FORMS': '0',
-            'rruleformset-MAX_NUM_FORMS': '1000',
-            'rruleformset-0-interval': '1',
-            'rruleformset-0-freq': 'daily',
-            'rruleformset-0-dtstart': '2018-04-03',
-            'rruleformset-0-yearly_same': 'on',
-            'rruleformset-0-yearly_bysetpos': '1',
-            'rruleformset-0-yearly_byweekday': 'MO',
-            'rruleformset-0-yearly_bymonth': '1',
-            'rruleformset-0-monthly_same': 'on',
-            'rruleformset-0-monthly_bysetpos': '1',
-            'rruleformset-0-monthly_byweekday': 'MO',
-            'rruleformset-0-end': 'until',
-            'rruleformset-0-count': '10',
-            'rruleformset-0-until': '2019-04-03',
-            'rruleformset-1-interval': '1',
-            'rruleformset-1-freq': 'weekly',
-            'rruleformset-1-dtstart': '2018-04-03',
-            'rruleformset-1-yearly_same': 'on',
-            'rruleformset-1-yearly_bysetpos': '1',
-            'rruleformset-1-yearly_byweekday': 'MO',
-            'rruleformset-1-yearly_bymonth': '1',
-            'rruleformset-1-monthly_same': 'on',
-            'rruleformset-1-monthly_bysetpos': '1',
-            'rruleformset-1-monthly_byweekday': 'MO',
-            'rruleformset-1-weekly_byweekday': 'MO',
-            'rruleformset-1-end': 'until',
-            'rruleformset-1-count': '10',
-            'rruleformset-1-until': '2019-04-03',
-            'rruleformset-1-exclude': 'on',
-            'timeformset-TOTAL_FORMS': '1',
-            'timeformset-INITIAL_FORMS': '0',
-            'timeformset-MIN_NUM_FORMS': '1',
-            'timeformset-MAX_NUM_FORMS': '1000',
-            'timeformset-0-time_from': '13:29:31',
-            'timeformset-0-time_to': '15:29:31',
-            'name_0': 'Foo',
-            'active': 'on',
-            'frontpage_text_0': '',
-            'rel_presale_start_0': 'unset',
-            'rel_presale_start_1': '',
-            'rel_presale_start_2': '1',
-            'rel_presale_start_3': 'date_from',
-            'rel_presale_start_4': '',
-            'rel_presale_end_1': '',
-            'rel_presale_end_0': 'relative',
-            'rel_presale_end_2': '1',
-            'rel_presale_end_3': 'date_from',
-            'rel_presale_end_4': '13:29:31',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '0',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-name': 'Q1',
-            'quotas-0-size': '50',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'checkinlist_set-TOTAL_FORMS': '0',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-        })
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            ses = list(self.event1.subevents.order_by('date_from'))
-        assert len(ses) == 314
-
-        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
-        assert ses[5].date_from.isoformat() == "2018-04-08T11:29:31+00:00"
-        assert ses[6].date_from.isoformat() == "2018-04-10T11:29:31+00:00"
-
-    def test_create_bulk_monthly_interval(self):
-        with scopes_disabled():
-            self.event1.subevents.all().delete()
-        self.event1.settings.timezone = 'Europe/Berlin'
-
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
-            'rruleformset-TOTAL_FORMS': '1',
-            'rruleformset-INITIAL_FORMS': '0',
-            'rruleformset-MIN_NUM_FORMS': '0',
-            'rruleformset-MAX_NUM_FORMS': '1000',
-            'rruleformset-0-interval': '1',
-            'rruleformset-0-freq': 'monthly',
-            'rruleformset-0-dtstart': '2018-04-03',
-            'rruleformset-0-yearly_same': 'on',
-            'rruleformset-0-yearly_bysetpos': '1',
-            'rruleformset-0-yearly_byweekday': 'MO',
-            'rruleformset-0-yearly_bymonth': '1',
-            'rruleformset-0-monthly_same': 'off',
-            'rruleformset-0-monthly_bysetpos': '-1',
-            'rruleformset-0-monthly_byweekday': 'MO,TU,WE,TH,FR',
-            'rruleformset-0-weekly_byweekday': 'TH',
-            'rruleformset-0-end': 'until',
-            'rruleformset-0-count': '10',
-            'rruleformset-0-until': '2019-04-03',
-            'timeformset-TOTAL_FORMS': '1',
-            'timeformset-INITIAL_FORMS': '0',
-            'timeformset-MIN_NUM_FORMS': '1',
-            'timeformset-MAX_NUM_FORMS': '1000',
-            'timeformset-0-time_from': '13:29:31',
-            'timeformset-0-time_to': '15:29:31',
-            'name_0': 'Foo',
-            'active': 'on',
-            'frontpage_text_0': '',
-            'rel_presale_start_0': 'unset',
-            'rel_presale_start_1': '',
-            'rel_presale_start_2': '1',
-            'rel_presale_start_3': 'date_from',
-            'rel_presale_start_4': '',
-            'rel_presale_end_0': 'unset',
-            'rel_presale_end_1': '',
-            'rel_presale_end_2': '1',
-            'rel_presale_end_3': 'date_from',
-            'rel_presale_end_4': '13:29:31',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '0',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-name': 'Q1',
-            'quotas-0-size': '50',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'checkinlist_set-TOTAL_FORMS': '0',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-        })
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            ses = list(self.event1.subevents.order_by('date_from'))
-        assert len(ses) == 12
-
-        assert ses[0].date_from.isoformat() == "2018-04-30T11:29:31+00:00"
-        assert ses[1].date_from.isoformat() == "2018-05-31T11:29:31+00:00"
-        assert ses[-1].date_from.isoformat() == "2019-03-29T12:29:31+00:00"
-
-    def test_create_bulk_weekly_interval(self):
-        with scopes_disabled():
-            self.event1.subevents.all().delete()
-        self.event1.settings.timezone = 'Europe/Berlin'
-
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
-            'rruleformset-TOTAL_FORMS': '1',
-            'rruleformset-INITIAL_FORMS': '0',
-            'rruleformset-MIN_NUM_FORMS': '0',
-            'rruleformset-MAX_NUM_FORMS': '1000',
-            'rruleformset-0-interval': '1',
-            'rruleformset-0-freq': 'weekly',
-            'rruleformset-0-dtstart': '2018-04-03',
-            'rruleformset-0-yearly_same': 'on',
-            'rruleformset-0-yearly_bysetpos': '1',
-            'rruleformset-0-yearly_byweekday': 'MO',
-            'rruleformset-0-yearly_bymonth': '1',
-            'rruleformset-0-monthly_same': 'on',
-            'rruleformset-0-monthly_bysetpos': '-1',
-            'rruleformset-0-monthly_byweekday': 'MO,TU,WE,TH,FR',
-            'rruleformset-0-weekly_byweekday': 'TH',
-            'rruleformset-0-end': 'until',
-            'rruleformset-0-count': '10',
-            'rruleformset-0-until': '2019-04-03',
-            'timeformset-TOTAL_FORMS': '1',
-            'timeformset-INITIAL_FORMS': '0',
-            'timeformset-MIN_NUM_FORMS': '1',
-            'timeformset-MAX_NUM_FORMS': '1000',
-            'timeformset-0-time_from': '13:29:31',
-            'timeformset-0-time_to': '15:29:31',
-            'name_0': 'Foo',
-            'active': 'on',
-            'frontpage_text_0': '',
-            'rel_presale_start_0': 'unset',
-            'rel_presale_start_1': '',
-            'rel_presale_start_2': '1',
-            'rel_presale_start_3': 'date_from',
-            'rel_presale_start_4': '',
-            'rel_presale_end_0': 'unset',
-            'rel_presale_end_1': '',
-            'rel_presale_end_2': '1',
-            'rel_presale_end_3': 'date_from',
-            'rel_presale_end_4': '13:29:31',
-            'quotas-TOTAL_FORMS': '1',
-            'quotas-INITIAL_FORMS': '0',
-            'quotas-MIN_NUM_FORMS': '0',
-            'quotas-MAX_NUM_FORMS': '1000',
-            'quotas-0-name': 'Q1',
-            'quotas-0-size': '50',
-            'quotas-0-itemvars': str(self.ticket.pk),
-            'checkinlist_set-TOTAL_FORMS': '0',
-            'checkinlist_set-INITIAL_FORMS': '0',
-            'checkinlist_set-MIN_NUM_FORMS': '0',
-            'checkinlist_set-MAX_NUM_FORMS': '1000',
-        })
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            ses = list(self.event1.subevents.order_by('date_from'))
-        assert len(ses) == 52
-
-        assert ses[0].date_from.isoformat() == "2018-04-05T11:29:31+00:00"
-        assert ses[1].date_from.isoformat() == "2018-04-12T11:29:31+00:00"
-        assert ses[-1].date_from.isoformat() == "2019-03-28T12:29:31+00:00"
-
-    def test_delete_bulk(self):
-        self.subevent2.active = True
-        self.subevent2.save()
-        with scopes_disabled():
-            o = Order.objects.create(
-                code='FOO', event=self.event1, email='dummy@dummy.test',
-                status=Order.STATUS_PENDING,
-                datetime=now(), expires=now() + datetime.timedelta(days=10),
-                total=14, locale='en'
-            )
-            OrderPosition.objects.create(
-                order=o,
-                item=self.ticket,
-                subevent=self.subevent1,
-                price=Decimal("14"),
-            )
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_action', {
-            'subevent': [str(self.subevent1.pk), str(self.subevent2.pk)],
-            'action': 'delete_confirm'
-        }, follow=True)
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            assert not self.event1.subevents.filter(pk=self.subevent2.pk).exists()
-            assert self.event1.subevents.get(pk=self.subevent1.pk).active is False
-
-    def test_disable_bulk(self):
-        self.subevent2.active = True
-        self.subevent2.save()
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_action', {
-            'subevent': str(self.subevent2.pk),
-            'action': 'disable'
-        }, follow=True)
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            assert self.event1.subevents.get(pk=self.subevent2.pk).active is False
-
-    def test_enable_bulk(self):
-        self.subevent2.active = False
-        self.subevent2.save()
-        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_action', {
-            'subevent': str(self.subevent2.pk),
-            'action': 'enable'
-        }, follow=True)
-        assert doc.select(".alert-success")
-        with scopes_disabled():
-            assert self.event1.subevents.get(pk=self.subevent2.pk).active is True
-
-
 class EventDeletionTest(SoupTest):
     @scopes_disabled()
     def setUp(self):
diff --git a/src/tests/control/test_subevents.py b/src/tests/control/test_subevents.py
new file mode 100644
index 0000000000..be98d4a604
--- /dev/null
+++ b/src/tests/control/test_subevents.py
@@ -0,0 +1,1045 @@
+import datetime
+from decimal import Decimal
+
+from django.utils.timezone import now
+from django_scopes import scopes_disabled
+from tests.base import SoupTest, extract_form_fields
+
+from pretix.base.models import (
+    Event, Order, OrderPosition, Organizer, SubEvent, Team, User,
+)
+from pretix.base.models.items import SubEventItem
+
+
+class SubEventsTest(SoupTest):
+    @scopes_disabled()
+    def setUp(self):
+        super().setUp()
+        self.user = User.objects.create_user('dummy@dummy.dummy', 'dummy')
+        self.orga1 = Organizer.objects.create(name='CCC', slug='ccc')
+        self.event1 = Event.objects.create(
+            organizer=self.orga1, name='30C3', slug='30c3',
+            date_from=datetime.datetime(2013, 12, 26, tzinfo=datetime.timezone.utc),
+            plugins='pretix.plugins.banktransfer,tests.testdummy',
+            has_subevents=True
+        )
+
+        t = Team.objects.create(organizer=self.orga1, can_create_events=True, can_change_event_settings=True,
+                                can_change_items=True)
+        t.members.add(self.user)
+        t.limit_events.add(self.event1)
+        self.ticket = self.event1.items.create(name='Early-bird ticket',
+                                               category=None, default_price=23,
+                                               admission=True)
+
+        self.client.login(email='dummy@dummy.dummy', password='dummy')
+
+        self.subevent1 = self.event1.subevents.create(name='SE1', date_from=now())
+        self.subevent2 = self.event1.subevents.create(name='SE2', date_from=now())
+
+    def test_list(self):
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/')
+        tabletext = doc.select("#page-wrapper .table")[0].text
+        self.assertIn("SE1", tabletext)
+
+    def test_create(self):
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/add')
+        assert doc.select("input[name=quotas-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/add', {
+            'name_0': 'SE2',
+            'active': 'on',
+            'date_from_0': '2017-07-01',
+            'date_from_1': '10:00:00',
+            'date_to_0': '2017-07-01',
+            'date_to_1': '12:00:00',
+            'location_0': 'Hamburg',
+            'presale_start_0': '2017-06-20',
+            'presale_start_1': '10:00:00',
+            'checkinlist_set-TOTAL_FORMS': '1',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-0-name': 'Default',
+            'checkinlist_set-0-all_products': 'on',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'item-%d-price' % self.ticket.pk: '12'
+        })
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            se = self.event1.subevents.first()
+            assert str(se.name) == "SE2"
+            assert se.active
+            assert se.date_from.isoformat() == "2017-07-01T10:00:00+00:00"
+            assert se.date_to.isoformat() == "2017-07-01T12:00:00+00:00"
+            assert str(se.location) == "Hamburg"
+            assert se.presale_start.isoformat() == "2017-06-20T10:00:00+00:00"
+            assert not se.presale_end
+            assert se.quotas.count() == 1
+            q = se.quotas.last()
+            assert q.name == "Q1"
+            assert q.size == 50
+            assert list(q.items.all()) == [self.ticket]
+            sei = SubEventItem.objects.get(subevent=se, item=self.ticket)
+            assert sei.price == 12
+            assert se.checkinlist_set.count() == 1
+
+    def test_modify(self):
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/%d/' % self.subevent1.pk)
+        assert doc.select("input[name=quotas-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/' % self.subevent1.pk, {
+            'name_0': 'SE2',
+            'active': 'on',
+            'date_from_0': '2017-07-01',
+            'date_from_1': '10:00:00',
+            'date_to_0': '2017-07-01',
+            'date_to_1': '12:00:00',
+            'location_0': 'Hamburg',
+            'presale_start_0': '2017-06-20',
+            'presale_start_1': '10:00:00',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'checkinlist_set-TOTAL_FORMS': '1',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-0-name': 'Default',
+            'checkinlist_set-0-all_products': 'on',
+            'item-%d-price' % self.ticket.pk: '12'
+        })
+        assert doc.select(".alert-success")
+        self.subevent1.refresh_from_db()
+        se = self.subevent1
+        assert str(se.name) == "SE2"
+        assert se.active
+        assert se.date_from.isoformat() == "2017-07-01T10:00:00+00:00"
+        assert se.date_to.isoformat() == "2017-07-01T12:00:00+00:00"
+        assert str(se.location) == "Hamburg"
+        assert se.presale_start.isoformat() == "2017-06-20T10:00:00+00:00"
+        assert not se.presale_end
+        with scopes_disabled():
+            assert se.quotas.count() == 1
+            q = se.quotas.last()
+            assert q.name == "Q1"
+            assert q.size == 50
+            assert list(q.items.all()) == [self.ticket]
+            sei = SubEventItem.objects.get(subevent=se, item=self.ticket)
+            assert sei.price == 12
+            assert se.checkinlist_set.count() == 1
+
+    def test_delete(self):
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk)
+        assert doc.select("button")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk, {})
+        assert doc.select(".alert-success")
+        # deleting the second event
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent2.pk, {})
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert not SubEvent.objects.filter(pk=self.subevent2.pk).exists()
+            assert not SubEvent.objects.filter(pk=self.subevent1.pk).exists()
+
+    def test_delete_with_orders(self):
+        with scopes_disabled():
+            o = Order.objects.create(
+                code='FOO', event=self.event1, email='dummy@dummy.test',
+                status=Order.STATUS_PENDING,
+                datetime=now(), expires=now() + datetime.timedelta(days=10),
+                total=14, locale='en'
+            )
+            OrderPosition.objects.create(
+                order=o,
+                item=self.ticket,
+                subevent=self.subevent1,
+                price=Decimal("14"),
+            )
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk, follow=True)
+        assert doc.select(".alert-danger")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/%d/delete' % self.subevent1.pk, {}, follow=True)
+        assert doc.select(".alert-danger")
+        with scopes_disabled():
+            assert self.event1.subevents.filter(pk=self.subevent1.pk).exists()
+
+    def test_create_bulk(self):
+        with scopes_disabled():
+            self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
+        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'yearly',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '1',
+            'rruleformset-0-monthly_byweekday': 'MO',
+            'rruleformset-0-end': 'count',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'timeformset-TOTAL_FORMS': '1',
+            'timeformset-INITIAL_FORMS': '0',
+            'timeformset-MIN_NUM_FORMS': '1',
+            'timeformset-MAX_NUM_FORMS': '1000',
+            'timeformset-0-time_from': '13:29:31',
+            'timeformset-0-time_to': '15:29:31',
+            'name_0': 'Foo',
+            'active': 'on',
+            'location_0': 'Loc',
+            'time_admission': '',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_1': '',
+            'rel_presale_end_0': 'relative',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-id': '',
+            'quotas-0-name': 'Bar',
+            'quotas-0-size': '12',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'item-%d-price' % self.ticket.pk: '16',
+            'checkinlist_set-TOTAL_FORMS': '1',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-0-id': '',
+            'checkinlist_set-0-name': 'Foo',
+            'checkinlist_set-0-limit_products': str(self.ticket.pk),
+        })
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 10
+
+        assert str(ses[0].name) == "Foo"
+        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
+        assert ses[0].date_to.isoformat() == "2018-04-03T13:29:31+00:00"
+        assert not ses[0].presale_start
+        assert ses[0].presale_end.isoformat() == "2018-04-02T11:29:31+00:00"
+        with scopes_disabled():
+            assert ses[0].quotas.count() == 1
+            assert list(ses[0].quotas.first().items.all()) == [self.ticket]
+            assert SubEventItem.objects.get(subevent=ses[0], item=self.ticket).price == 16
+            assert ses[0].checkinlist_set.count() == 1
+
+        assert str(ses[1].name) == "Foo"
+        assert ses[1].date_from.isoformat() == "2019-04-03T11:29:31+00:00"
+        assert ses[1].date_to.isoformat() == "2019-04-03T13:29:31+00:00"
+        assert not ses[1].presale_start
+        assert ses[1].presale_end.isoformat() == "2019-04-02T11:29:31+00:00"
+        with scopes_disabled():
+            assert ses[1].quotas.count() == 1
+            assert list(ses[1].quotas.first().items.all()) == [self.ticket]
+            assert SubEventItem.objects.get(subevent=ses[0], item=self.ticket).price == 16
+            assert ses[1].checkinlist_set.count() == 1
+
+        assert ses[-1].date_from.isoformat() == "2027-04-03T11:29:31+00:00"
+
+    def test_create_bulk_daily_interval(self):
+        with scopes_disabled():
+            self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
+        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '2',
+            'rruleformset-0-freq': 'daily',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '1',
+            'rruleformset-0-monthly_byweekday': 'MO',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'timeformset-TOTAL_FORMS': '1',
+            'timeformset-INITIAL_FORMS': '0',
+            'timeformset-MIN_NUM_FORMS': '1',
+            'timeformset-MAX_NUM_FORMS': '1000',
+            'timeformset-0-time_from': '13:29:31',
+            'timeformset-0-time_to': '15:29:31',
+            'name_0': 'Foo',
+            'active': 'on',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_1': '',
+            'rel_presale_end_0': 'relative',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '1',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 183
+
+        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
+        assert ses[110].date_from.isoformat() == "2018-11-09T12:29:31+00:00"  # DST :)
+        assert ses[-1].date_from.isoformat() == "2019-04-02T11:29:31+00:00"
+
+    def test_create_bulk_daily_interval_multiple_times(self):
+        with scopes_disabled():
+            self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
+        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '2',
+            'rruleformset-0-freq': 'daily',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '1',
+            'rruleformset-0-monthly_byweekday': 'MO',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'timeformset-TOTAL_FORMS': '2',
+            'timeformset-INITIAL_FORMS': '0',
+            'timeformset-MIN_NUM_FORMS': '1',
+            'timeformset-MAX_NUM_FORMS': '1000',
+            'timeformset-0-time_from': '13:29:31',
+            'timeformset-0-time_to': '15:29:31',
+            'timeformset-1-time_from': '15:29:31',
+            'timeformset-1-time_to': '17:29:31',
+            'name_0': 'Foo',
+            'active': 'on',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_1': '',
+            'rel_presale_end_0': 'relative',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 183 * 2
+
+        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
+        assert ses[1].date_from.isoformat() == "2018-04-03T13:29:31+00:00"
+        assert ses[220].date_from.isoformat() == "2018-11-09T12:29:31+00:00"  # DST :)
+        assert ses[-1].date_from.isoformat() == "2019-04-02T13:29:31+00:00"
+
+    def test_create_bulk_exclude(self):
+        with scopes_disabled():
+            self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.get_doc('/control/event/ccc/30c3/subevents/bulk_add')
+        assert doc.select("input[name=rruleformset-TOTAL_FORMS]")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '2',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'daily',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '1',
+            'rruleformset-0-monthly_byweekday': 'MO',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'rruleformset-1-interval': '1',
+            'rruleformset-1-freq': 'weekly',
+            'rruleformset-1-dtstart': '2018-04-03',
+            'rruleformset-1-yearly_same': 'on',
+            'rruleformset-1-yearly_bysetpos': '1',
+            'rruleformset-1-yearly_byweekday': 'MO',
+            'rruleformset-1-yearly_bymonth': '1',
+            'rruleformset-1-monthly_same': 'on',
+            'rruleformset-1-monthly_bysetpos': '1',
+            'rruleformset-1-monthly_byweekday': 'MO',
+            'rruleformset-1-weekly_byweekday': 'MO',
+            'rruleformset-1-end': 'until',
+            'rruleformset-1-count': '10',
+            'rruleformset-1-until': '2019-04-03',
+            'rruleformset-1-exclude': 'on',
+            'timeformset-TOTAL_FORMS': '1',
+            'timeformset-INITIAL_FORMS': '0',
+            'timeformset-MIN_NUM_FORMS': '1',
+            'timeformset-MAX_NUM_FORMS': '1000',
+            'timeformset-0-time_from': '13:29:31',
+            'timeformset-0-time_to': '15:29:31',
+            'name_0': 'Foo',
+            'active': 'on',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_1': '',
+            'rel_presale_end_0': 'relative',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 314
+
+        assert ses[0].date_from.isoformat() == "2018-04-03T11:29:31+00:00"
+        assert ses[5].date_from.isoformat() == "2018-04-08T11:29:31+00:00"
+        assert ses[6].date_from.isoformat() == "2018-04-10T11:29:31+00:00"
+
+    def test_create_bulk_monthly_interval(self):
+        with scopes_disabled():
+            self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'monthly',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'off',
+            'rruleformset-0-monthly_bysetpos': '-1',
+            'rruleformset-0-monthly_byweekday': 'MO,TU,WE,TH,FR',
+            'rruleformset-0-weekly_byweekday': 'TH',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'timeformset-TOTAL_FORMS': '1',
+            'timeformset-INITIAL_FORMS': '0',
+            'timeformset-MIN_NUM_FORMS': '1',
+            'timeformset-MAX_NUM_FORMS': '1000',
+            'timeformset-0-time_from': '13:29:31',
+            'timeformset-0-time_to': '15:29:31',
+            'name_0': 'Foo',
+            'active': 'on',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_0': 'unset',
+            'rel_presale_end_1': '',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 12
+
+        assert ses[0].date_from.isoformat() == "2018-04-30T11:29:31+00:00"
+        assert ses[1].date_from.isoformat() == "2018-05-31T11:29:31+00:00"
+        assert ses[-1].date_from.isoformat() == "2019-03-29T12:29:31+00:00"
+
+    def test_create_bulk_weekly_interval(self):
+        with scopes_disabled():
+            self.event1.subevents.all().delete()
+        self.event1.settings.timezone = 'Europe/Berlin'
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_add', {
+            'rruleformset-TOTAL_FORMS': '1',
+            'rruleformset-INITIAL_FORMS': '0',
+            'rruleformset-MIN_NUM_FORMS': '0',
+            'rruleformset-MAX_NUM_FORMS': '1000',
+            'rruleformset-0-interval': '1',
+            'rruleformset-0-freq': 'weekly',
+            'rruleformset-0-dtstart': '2018-04-03',
+            'rruleformset-0-yearly_same': 'on',
+            'rruleformset-0-yearly_bysetpos': '1',
+            'rruleformset-0-yearly_byweekday': 'MO',
+            'rruleformset-0-yearly_bymonth': '1',
+            'rruleformset-0-monthly_same': 'on',
+            'rruleformset-0-monthly_bysetpos': '-1',
+            'rruleformset-0-monthly_byweekday': 'MO,TU,WE,TH,FR',
+            'rruleformset-0-weekly_byweekday': 'TH',
+            'rruleformset-0-end': 'until',
+            'rruleformset-0-count': '10',
+            'rruleformset-0-until': '2019-04-03',
+            'timeformset-TOTAL_FORMS': '1',
+            'timeformset-INITIAL_FORMS': '0',
+            'timeformset-MIN_NUM_FORMS': '1',
+            'timeformset-MAX_NUM_FORMS': '1000',
+            'timeformset-0-time_from': '13:29:31',
+            'timeformset-0-time_to': '15:29:31',
+            'name_0': 'Foo',
+            'active': 'on',
+            'frontpage_text_0': '',
+            'rel_presale_start_0': 'unset',
+            'rel_presale_start_1': '',
+            'rel_presale_start_2': '1',
+            'rel_presale_start_3': 'date_from',
+            'rel_presale_start_4': '',
+            'rel_presale_end_0': 'unset',
+            'rel_presale_end_1': '',
+            'rel_presale_end_2': '1',
+            'rel_presale_end_3': 'date_from',
+            'rel_presale_end_4': '13:29:31',
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'checkinlist_set-TOTAL_FORMS': '0',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+        })
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            ses = list(self.event1.subevents.order_by('date_from'))
+        assert len(ses) == 52
+
+        assert ses[0].date_from.isoformat() == "2018-04-05T11:29:31+00:00"
+        assert ses[1].date_from.isoformat() == "2018-04-12T11:29:31+00:00"
+        assert ses[-1].date_from.isoformat() == "2019-03-28T12:29:31+00:00"
+
+    def test_delete_bulk(self):
+        self.subevent2.active = True
+        self.subevent2.save()
+        with scopes_disabled():
+            o = Order.objects.create(
+                code='FOO', event=self.event1, email='dummy@dummy.test',
+                status=Order.STATUS_PENDING,
+                datetime=now(), expires=now() + datetime.timedelta(days=10),
+                total=14, locale='en'
+            )
+            OrderPosition.objects.create(
+                order=o,
+                item=self.ticket,
+                subevent=self.subevent1,
+                price=Decimal("14"),
+            )
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_action', {
+            'subevent': [str(self.subevent1.pk), str(self.subevent2.pk)],
+            'action': 'delete_confirm'
+        }, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert not self.event1.subevents.filter(pk=self.subevent2.pk).exists()
+            assert self.event1.subevents.get(pk=self.subevent1.pk).active is False
+
+    def test_delete_bulk_by_query(self):
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_action', {
+            '__ALL': 'on',
+            'filter-query': 'SE2',
+            'action': 'delete_confirm'
+        }, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert not self.event1.subevents.filter(pk=self.subevent2.pk).exists()
+            assert self.event1.subevents.filter(pk=self.subevent1.pk).exists()
+
+    def test_disable_bulk(self):
+        self.subevent2.active = True
+        self.subevent2.save()
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_action', {
+            'subevent': str(self.subevent2.pk),
+            'action': 'disable'
+        }, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert self.event1.subevents.get(pk=self.subevent2.pk).active is False
+
+    def test_enable_bulk(self):
+        self.subevent2.active = False
+        self.subevent2.save()
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_action', {
+            'subevent': str(self.subevent2.pk),
+            'action': 'enable'
+        }, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert self.event1.subevents.get(pk=self.subevent2.pk).active is True
+
+    def test_edit_bulk_scalar_change(self):
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('bulkedit-name_0')
+        fields.update({
+            '_bulk': ['bulkeditname'],
+            'bulkedit-name_0': 'SEFOO',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert str(self.event1.subevents.get(pk=self.subevent1.pk).name) == 'SEFOO'
+            assert str(self.event1.subevents.get(pk=self.subevent2.pk).name) == 'SEFOO'
+
+    def test_edit_bulk_scalar_keep_mixed(self):
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('bulkedit-name_0')
+        fields.update({
+            '_bulk': ['bulkeditlocation'],
+            'bulkedit-name_0': 'SEFOO',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert str(self.event1.subevents.get(pk=self.subevent1.pk).name) == 'SE1'
+            assert str(self.event1.subevents.get(pk=self.subevent2.pk).name) == 'SE2'
+
+    def test_edit_bulk_meta(self):
+        prop1 = self.orga1.meta_properties.create(name="Prop1")
+        prop2 = self.orga1.meta_properties.create(name="Prop2")
+        prop2.subevent_values.create(subevent=self.subevent1, value="Bla")
+        prop2.subevent_values.create(subevent=self.subevent2, value="Bla")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('prop-{}-value'.format(prop1.pk))
+        assert fields.get('prop-{}-value'.format(prop2.pk)) == 'Bla'
+        fields.update({
+            '_bulk': ['prop-{}value'.format(prop1.pk), 'prop-{}value'.format(prop2.pk)],
+            'prop-{}-value'.format(prop1.pk): 'Bla',
+            'prop-{}-value'.format(prop2.pk): '',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert self.event1.subevents.get(pk=self.subevent1.pk).meta_data == {'Prop1': 'Bla', 'Prop2': ''}
+            assert self.event1.subevents.get(pk=self.subevent2.pk).meta_data == {'Prop1': 'Bla', 'Prop2': ''}
+
+    def test_edit_bulk_day_both_same_before(self):
+        with scopes_disabled():
+            self.subevent1.date_from = datetime.datetime(2013, 12, 26, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent1.save()
+            self.subevent2.date_from = datetime.datetime(2013, 12, 26, 11, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent2.save()
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert fields.get('bulkedit-date_from_day') == '2013-12-26'
+        fields.update({
+            '_bulk': ['bulkeditdate_from_day'],
+            'bulkedit-date_from_day': '2013-12-27',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            self.subevent1.refresh_from_db()
+            self.subevent2.refresh_from_db()
+            assert self.subevent1.date_from == datetime.datetime(2013, 12, 27, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            assert self.subevent2.date_from == datetime.datetime(2013, 12, 27, 11, 0, 0, tzinfo=datetime.timezone.utc)
+
+    def test_edit_bulk_day_both_different_before(self):
+        with scopes_disabled():
+            self.subevent1.date_from = datetime.datetime(2013, 12, 26, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent1.save()
+            self.subevent2.date_from = datetime.datetime(2013, 12, 27, 11, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent2.save()
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('bulkedit-date_from_day')
+        fields.update({
+            '_bulk': ['bulkeditdate_from_day'],
+            'bulkedit-date_from_day': '2013-12-27',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            self.subevent1.refresh_from_db()
+            self.subevent2.refresh_from_db()
+            assert self.subevent1.date_from == datetime.datetime(2013, 12, 27, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            assert self.subevent2.date_from == datetime.datetime(2013, 12, 27, 11, 0, 0, tzinfo=datetime.timezone.utc)
+
+    def test_edit_bulk_day_unset_before(self):
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('bulkedit-date_to_day')
+        fields.update({
+            '_bulk': ['bulkeditdate_to_day'],
+            'bulkedit-date_to_day': '2013-12-27',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            self.subevent1.refresh_from_db()
+            self.subevent2.refresh_from_db()
+            assert self.subevent1.date_to == datetime.datetime(2013, 12, 27, 0, 0, 0, tzinfo=datetime.timezone.utc)
+            assert self.subevent2.date_to == datetime.datetime(2013, 12, 27, 0, 0, 0, tzinfo=datetime.timezone.utc)
+
+    def test_edit_bulk_day_unset(self):
+        with scopes_disabled():
+            self.subevent1.date_to = datetime.datetime(2013, 12, 26, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent1.save()
+            self.subevent2.date_to = datetime.datetime(2013, 12, 27, 11, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent2.save()
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('bulkedit-date_to_day')
+        fields.update({
+            '_bulk': ['bulkeditdate_to_day'],
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            self.subevent1.refresh_from_db()
+            self.subevent2.refresh_from_db()
+            assert self.subevent1.date_to is None
+            assert self.subevent2.date_to is None
+
+    def test_edit_bulk_time_both_same_before(self):
+        with scopes_disabled():
+            self.subevent1.date_to = datetime.datetime(2013, 12, 26, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent1.save()
+            self.subevent2.date_to = datetime.datetime(2013, 12, 27, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent2.save()
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert fields.get('bulkedit-date_to_time') == '09:00:00'
+        fields.update({
+            '_bulk': ['bulkeditdate_to_time'],
+            'bulkedit-date_to_time': '10:00:00',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            self.subevent1.refresh_from_db()
+            self.subevent2.refresh_from_db()
+            assert self.subevent1.date_to == datetime.datetime(2013, 12, 26, 10, 0, 0, tzinfo=datetime.timezone.utc)
+            assert self.subevent2.date_to == datetime.datetime(2013, 12, 27, 10, 0, 0, tzinfo=datetime.timezone.utc)
+
+    def test_edit_bulk_time_both_different_before(self):
+        with scopes_disabled():
+            self.subevent1.date_to = datetime.datetime(2013, 12, 26, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent1.save()
+            self.subevent2.date_to = datetime.datetime(2013, 12, 27, 11, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent2.save()
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('bulkedit-date_to_time')
+        fields.update({
+            '_bulk': ['bulkeditdate_to_time'],
+            'bulkedit-date_to_time': '10:00:00',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            self.subevent1.refresh_from_db()
+            self.subevent2.refresh_from_db()
+            assert self.subevent1.date_to == datetime.datetime(2013, 12, 26, 10, 0, 0, tzinfo=datetime.timezone.utc)
+            assert self.subevent2.date_to == datetime.datetime(2013, 12, 27, 10, 0, 0, tzinfo=datetime.timezone.utc)
+
+    def test_edit_bulk_time_unset_before(self):
+        with scopes_disabled():
+            self.subevent1.date_from = datetime.datetime(2013, 12, 26, 9, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent1.save()
+            self.subevent2.date_from = datetime.datetime(2013, 12, 27, 11, 0, 0, tzinfo=datetime.timezone.utc)
+            self.subevent2.save()
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert not fields.get('bulkedit-date_to_time')
+        fields.update({
+            '_bulk': ['bulkeditdate_to_time'],
+            'bulkedit-date_to_time': '17:00:00',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            self.subevent1.refresh_from_db()
+            self.subevent2.refresh_from_db()
+            assert self.subevent1.date_to == datetime.datetime(2013, 12, 26, 17, 0, 0, tzinfo=datetime.timezone.utc)
+            assert self.subevent2.date_to == datetime.datetime(2013, 12, 27, 17, 0, 0, tzinfo=datetime.timezone.utc)
+
+    def test_edit_bulk_price(self):
+        sei1 = SubEventItem.objects.create(subevent=self.subevent1, item=self.ticket, price=Decimal('4.00'))
+        sei2 = SubEventItem.objects.create(subevent=self.subevent2, item=self.ticket, price=Decimal('4.00'))
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert fields.get('item-{}-price'.format(self.ticket.id)) == '4.00'
+        fields.update({
+            '_bulk': ['item-{}price'.format(self.ticket.id)],
+            'item-{}-price'.format(self.ticket.id): '5.00',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            sei1.refresh_from_db()
+            sei2.refresh_from_db()
+            assert sei1.price == Decimal('5.00')
+            assert sei2.price == Decimal('5.00')
+
+    def test_edit_bulk_quotas_add_and_edit(self):
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        fields.update({
+            '_bulk': ['__quotas'],
+            'quotas-TOTAL_FORMS': '2',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '50',
+            'quotas-0-itemvars': str(self.ticket.pk),
+            'quotas-1-name': 'Q2',
+            'quotas-1-size': '25',
+            'quotas-1-itemvars': str(self.ticket.pk),
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            for se in [self.subevent1, self.subevent2]:
+                q = se.quotas.first()
+                assert q.name == 'Q1'
+                assert q.size == 50
+                assert list(q.items.all()) == [self.ticket]
+                q = se.quotas.last()
+                assert q.name == 'Q2'
+                assert q.size == 25
+                assert list(q.items.all()) == [self.ticket]
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        fields.update({
+            '_bulk': ['__quotas'],
+            'quotas-0-size': '25',
+            'quotas-1-size': '50',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            for se in [self.subevent1, self.subevent2]:
+                q = se.quotas.get(name='Q1')
+                assert q.size == 25
+                assert list(q.items.all()) == [self.ticket]
+                q = se.quotas.get(name='Q2')
+                assert q.size == 50
+                assert list(q.items.all()) == [self.ticket]
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        fields.update({
+            '_bulk': ['__quotas'],
+            'quotas-1-DELETE': 'on',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            for se in [self.subevent1, self.subevent2]:
+                assert se.quotas.count() == 1
+
+    def test_edit_bulk_quotas_mixed_replace(self):
+        with scopes_disabled():
+            self.subevent1.quotas.create(event=self.event1, name="Q1", size=20)
+            self.subevent2.quotas.create(event=self.event1, name="Q2", size=40)
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert fields['quotas-TOTAL_FORMS'] == '0'
+        fields.update({
+            '_bulk': ['_invalid_'],
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert self.subevent1.quotas.get().size == 20
+            assert self.subevent2.quotas.get().size == 40
+
+        fields.update({
+            '_bulk': ['__quotas'],
+            'quotas-TOTAL_FORMS': '1',
+            'quotas-INITIAL_FORMS': '0',
+            'quotas-MIN_NUM_FORMS': '0',
+            'quotas-MAX_NUM_FORMS': '1000',
+            'quotas-0-name': 'Q1',
+            'quotas-0-size': '100',
+            'quotas-0-itemvars': str(self.ticket.pk),
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            assert self.subevent1.quotas.get().size == 100
+            assert self.subevent2.quotas.get().size == 100
+
+    def test_edit_bulk_lists_add_and_edit(self):
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        fields.update({
+            '_bulk': ['__checkinlists'],
+            'checkinlist_set-TOTAL_FORMS': '2',
+            'checkinlist_set-INITIAL_FORMS': '0',
+            'checkinlist_set-MIN_NUM_FORMS': '0',
+            'checkinlist_set-MAX_NUM_FORMS': '1000',
+            'checkinlist_set-0-name': 'Q1',
+            'checkinlist_set-0-limit_products': str(self.ticket.pk),
+            'checkinlist_set-1-name': 'Q2',
+            'checkinlist_set-1-limit_products': str(self.ticket.pk),
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            for se in [self.subevent1, self.subevent2]:
+                q = se.checkinlist_set.get(name='Q1')
+                assert list(q.limit_products.all()) == [self.ticket]
+                q = se.checkinlist_set.get(name='Q2')
+                assert list(q.limit_products.all()) == [self.ticket]
+
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        fields.update({
+            '_bulk': ['__checkinlists'],
+            'checkinlist_set-1-DELETE': 'on',
+        })
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', fields, follow=True)
+        assert doc.select(".alert-success")
+        with scopes_disabled():
+            for se in [self.subevent1, self.subevent2]:
+                assert se.checkinlist_set.count() == 1
+
+    def test_edit_bulk_lists_keep_mixed(self):
+        with scopes_disabled():
+            self.subevent1.checkinlist_set.create(event=self.event1, name="C1")
+            self.subevent2.checkinlist_set.create(event=self.event1, name="C2")
+        doc = self.post_doc('/control/event/ccc/30c3/subevents/bulk_edit', {
+            '__ALL': 'on',
+        }, follow=True)
+        fields = extract_form_fields(doc)
+        assert 'checkinlist_set-TOTAL_FORMS' not in fields