diff --git a/django/contrib/admin/templatetags/admin_list.py b/django/contrib/admin/templatetags/admin_list.py
index 352277351e..8626ef0c23 100644
--- a/django/contrib/admin/templatetags/admin_list.py
+++ b/django/contrib/admin/templatetags/admin_list.py
@@ -247,8 +247,8 @@ def date_hierarchy(cl):
             return {
                 'show': True,
                 'choices': [{
-                    'link': link({year_field: year.year}),
-                    'title': year.year
+                    'link': link({year_field: str(year.year)}),
+                    'title': str(year.year),
                 } for year in years]
             }
 date_hierarchy = register.inclusion_tag('admin/date_hierarchy.html')(date_hierarchy)
diff --git a/django/contrib/databrowse/plugins/calendars.py b/django/contrib/databrowse/plugins/calendars.py
index ac2f522148..9bbd02da26 100644
--- a/django/contrib/databrowse/plugins/calendars.py
+++ b/django/contrib/databrowse/plugins/calendars.py
@@ -37,7 +37,7 @@ class CalendarPlugin(DatabrowsePlugin):
             return [mark_safe(u'%s%s/%s/%s/%s/%s/' % (
                 easy_instance_field.model.url(),
                 plugin_name, easy_instance_field.field.name,
-                d.year,
+                str(d.year),
                 datetime_safe.new_date(d).strftime('%b').lower(),
                 d.day))]
 
diff --git a/django/contrib/databrowse/templates/databrowse/calendar_day.html b/django/contrib/databrowse/templates/databrowse/calendar_day.html
index b0a221d5d3..c009a94c66 100644
--- a/django/contrib/databrowse/templates/databrowse/calendar_day.html
+++ b/django/contrib/databrowse/templates/databrowse/calendar_day.html
@@ -4,7 +4,7 @@
 
 {% block content %}
 
-<div id="breadcrumbs"><a href="{{ root_url }}">Home</a> / <a href="{{ model.url }}">{{ model.verbose_name_plural|capfirst }}</a> / <a href="../../../../">Calendars</a> / <a href="../../../">By {{ field.verbose_name }}</a> / <a href="../../">{{ day.year }}</a> / <a href="../">{{ day|date:"F" }}</a> / {{ day.day }}</div>
+<div id="breadcrumbs"><a href="{{ root_url }}">Home</a> / <a href="{{ model.url }}">{{ model.verbose_name_plural|capfirst }}</a> / <a href="../../../../">Calendars</a> / <a href="../../../">By {{ field.verbose_name }}</a> / <a href="../../">{{ day|date:"Y" }}</a> / <a href="../">{{ day|date:"F" }}</a> / {{ day|date:"d" }}</div>
 
 <h1>{{ object_list.count }} {% if object_list.count|pluralize %}{{ model.verbose_name_plural }}{% else %}{{ model.verbose_name }}{% endif %} with {{ field.verbose_name }} on {{ day|date:"F j, Y" }}</h1>
 
diff --git a/django/contrib/databrowse/templates/databrowse/calendar_main.html b/django/contrib/databrowse/templates/databrowse/calendar_main.html
index b22a44d321..7cb59042df 100644
--- a/django/contrib/databrowse/templates/databrowse/calendar_main.html
+++ b/django/contrib/databrowse/templates/databrowse/calendar_main.html
@@ -10,7 +10,7 @@
 
 <ul class="objectlist">
 {% for year in date_list %}
-<li class="{% cycle 'odd' 'even' %}"><a href="{{ year.year }}/">{{ year.year }}</a></li>
+<li class="{% cycle 'odd' 'even' %}"><a href="{{ year|date:"Y" }}/">{{ year|date:"Y" }}</a></li>
 {% endfor %}
 </ul>
 
diff --git a/django/contrib/databrowse/templates/databrowse/calendar_month.html b/django/contrib/databrowse/templates/databrowse/calendar_month.html
index 8a417f4c93..ad189f441c 100644
--- a/django/contrib/databrowse/templates/databrowse/calendar_month.html
+++ b/django/contrib/databrowse/templates/databrowse/calendar_month.html
@@ -4,7 +4,7 @@
 
 {% block content %}
 
-<div id="breadcrumbs"><a href="{{ root_url }}">Home</a> / <a href="{{ model.url }}">{{ model.verbose_name_plural|capfirst }}</a> / <a href="../../../">Calendars</a> / <a href="../../">By {{ field.verbose_name }}</a> / <a href="../">{{ month.year }}</a> / {{ month|date:"F" }}</div>
+<div id="breadcrumbs"><a href="{{ root_url }}">Home</a> / <a href="{{ model.url }}">{{ model.verbose_name_plural|capfirst }}</a> / <a href="../../../">Calendars</a> / <a href="../../">By {{ field.verbose_name }}</a> / <a href="../">{{ month|date:"Y" }}</a> / {{ month|date:"F" }}</div>
 
 <h1>{{ object_list.count }} {% if object_list.count|pluralize %}{{ model.verbose_name_plural }}{% else %}{{ model.verbose_name }}{% endif %} with {{ field.verbose_name }} on {{ month|date:"F Y" }}</h1>