diff --git a/app/item/models.py b/app/item/models.py
index 8609dc8..f114b38 100644
--- a/app/item/models.py
+++ b/app/item/models.py
@@ -83,6 +83,16 @@ class Item(models.Model):
         )
         return week, archive
 
+    def get_week(self):
+        return int(self.published.strftime('%W'))
+
+    def get_year(self):
+        return int(self.published.strftime('%Y'))
+
+    def get_monday(self):
+        d = '%s-W%s' % (self.get_year(), self.get_week())
+        return datetime.strptime(d + '-1', "%Y-W%W-%w").strftime('%Y-%m-%d')
+
     def get_absolute_url(self):
         return reverse('item', kwargs={'id': self.id})
 
diff --git a/app/item/tasks.py b/app/item/tasks.py
index c2ff2a1..f51091a 100644
--- a/app/item/tasks.py
+++ b/app/item/tasks.py
@@ -52,6 +52,15 @@ def announce_items():
             os.unlink(f.name)
 
 
+@app.task(queue="default", ignore_results=True)
+def notify_telegram(message):
+    if getattr(settings, "TELEGRAM_ANNOUNCE_CHANNEL"):
+        r = telegram_rpc.send(
+            message,
+            channel=settings.TELEGRAM_ANNOUNCE_CHANNEL
+        )
+
+
 @app.task(queue="default", ignore_results=True)
 def notify_moderators(id, link):
     comment = models.Comment.objects.filter(id=id).first()
@@ -69,6 +78,10 @@ def notify_moderators(id, link):
                 rpc.send_reaction(
                     account, comment.data["moderator_ts"], "🎉", group=group
                 )
+                msg = '%s commented on <b>%s</b> at <a href="%s">%s</a>' % (
+                    comment.name, comment.item.title, link, link
+                )
+                notify_telegram.delay(msg)
         else:
             print("failed to notify", r)
 
diff --git a/app/item/views.py b/app/item/views.py
index 7f6d28f..27be4b0 100644
--- a/app/item/views.py
+++ b/app/item/views.py
@@ -4,7 +4,7 @@ import json
 
 from django.utils import timezone
 from django.utils.timezone import datetime, timedelta
-from django.shortcuts import render
+from django.shortcuts import render, redirect
 from django.db.models import Q
 from django.utils.html import mark_safe
 from django.conf import settings
@@ -23,6 +23,31 @@ def get_now():
     return timezone.make_aware(datetime.now(), timezone.get_default_timezone())
 
 
+def get_monday(date):
+    d = date.strftime('%Y-W%W-1')
+    return datetime.strptime(d, "%Y-W%W-%w").strftime('%Y-%m-%d')
+
+
+def format_week(week):
+    a = datetime.strptime(week, '%Y-%m-%d')
+    b = (a + timedelta(days=6))
+    fmt = '%b %d'
+    a = a.strftime(fmt)
+    b = b.strftime(fmt)
+    return '%s - %s' % (a, b)
+
+
+def get_weeks(archive):
+    weeks = sorted(set(archive.values_list('year', 'week')))
+    weeks = [datetime.strptime('%s-W%s-1' % w, "%Y-W%W-%w").strftime('%Y-%m-%d') for w in weeks]
+    weeks = [{
+        'date': week,
+        'year': week.split('-')[0],
+        'title': format_week(week)
+    } for week in weeks]
+    return weeks
+
+
 def index(request):
     context = default_context(request)
     now = request.GET.get("now")
@@ -36,7 +61,7 @@ def index(request):
     week, archive = models.Item.public(now)
     context['items'] = week
     if archive.exists():
-        context['archive'] = '/_%s/' % get_now().year
+        context['archive'] = '/_%s/' % get_monday(get_now() - timedelta(days=7))
     if now:
         context['now'] = now
         context['previous_week'] = (now - timedelta(days=7)).strftime(TS_FORMAT)
@@ -44,11 +69,26 @@ def index(request):
     return render(request, 'index.html', context)
 
 
-def archive(request, year=None, week=None):
+def archive(request, year=None, month=None, day=None, week=None):
     context = default_context(request)
-    qs = models.Item.public()
-    week, archive = models.Item.public()
-    context['items'] = archive
+    _, archive = models.Item.public()
+    if year and month and day:
+        date = datetime.strptime('%s-%s-%s' % (year, month, day), '%Y-%m-%d')
+        week = int(date.strftime('%W'))
+        year = int(year)
+        archive_week = archive.filter(year=year, week=week).order_by('published')
+        context['weeks'] = get_weeks(archive)
+        context['this_week'] = date.strftime('%Y-%m-%d')
+        context['this_year'] = date.strftime('%Y')
+    elif week:
+        week = int(week)
+        year = int(year)
+        week = datetime.strptime('%s-W%s-1' % (year, week), "%Y-W%W-%w").strftime('%Y-%m-%d')
+        return redirect('/_%s/' % week)
+    elif year:
+        week = datetime.strptime('%s-W1-1' % year, "%Y-W%W-%w").strftime('%Y-%m-%d')
+        return redirect('/_%s/' % week)
+    context['items'] = archive_week
     return render(request, 'archive.html', context)
 
 
@@ -131,6 +171,11 @@ def publish_comment(request):
             send_reaction(
                 account, comment.data["moderator_ts"], "🎉", group=group
             )
+            link = request.build_absolute_uri(comment.item.get_absolute_url())
+            msg = '%s commented on <b>%s</b> at <a href="%s">%s</a>' % (
+                comment.name, comment.item.title, link, link
+            )
+            tasks.notify_telegram.delay(msg)
         response['status'] = 'ok'
     else:
         response['error'] = 'permission denied'
diff --git a/app/static/css/site.scss b/app/static/css/site.scss
index ca0783f..b92da2d 100644
--- a/app/static/css/site.scss
+++ b/app/static/css/site.scss
@@ -134,6 +134,10 @@ header {
         }
     }
 }
+.weeks {
+    text-align: center;
+    padding-bottom: 32px;
+}
 
 nav.overlay {
     position: absolute;
diff --git a/app/templates/archive.html b/app/templates/archive.html
index 0c93cec..dccdff0 100644
--- a/app/templates/archive.html
+++ b/app/templates/archive.html
@@ -18,5 +18,32 @@
     </div>
     {% endif %}
     </div>
+    {% if weeks %}
+    <div class="weeks">
+        <div>
+        {% for week in weeks %}
+            {% ifchanged week.year %}
+                </div>
+                <h1>{{ week.year }}</h1>
+                <div class="year-details-{{ week.year }}" {% if week.year != this_year %} style="display: none"{% endif %}>
+            {% endifchanged %}
+            {% if week.date == this_week %}
+            <b>{{ week.title }}</b><br>
+            {% else %}
+            <a href="/_{{ week.date }}/">{{ week.title }}</a><br>
+            {% endif %}
+        {% endfor %}
+        </div>
+        <script>
+            document.querySelectorAll('.weeks h1').forEach(h1 => {
+                h1.addEventListener('click', event => {
+                    var year = event.target.innerText
+                    var details = document.querySelector('.year-details-' + year)
+                    details.style.display = details.style.display == 'none' ? '' : 'none'
+                })
+            })
+        </script>
+    </div>
+    {% endif %}
 {% endblock %}
 
diff --git a/app/urls.py b/app/urls.py
index 7207a7f..99316a5 100644
--- a/app/urls.py
+++ b/app/urls.py
@@ -32,7 +32,9 @@ urlpatterns = [
     path('register/', user_views.register, name='register'),
     path('comment/publish/', item_views.publish_comment, name='publish-comment'),
     path('comment/', item_views.comment, name='comment'),
+    path('_<int:year>-<int:month>-<int:day>/', item_views.archive, name='archive'),
     path('_<int:year>/', item_views.archive, name='archive'),
+    path('_<int:year>/<int:week>/', item_views.archive, name='archive'),
     path('<int:id>/', item_views.item, name='item'),
     path('<str:slug>/', page_views.page, name='page'),
     path('', item_views.index, name='index'),