diff --git a/pyconbalkan/conference/abstractions.py b/pyconbalkan/conference/abstractions.py
index b58a0ae8..aeef99ee 100644
--- a/pyconbalkan/conference/abstractions.py
+++ b/pyconbalkan/conference/abstractions.py
@@ -1,36 +1,21 @@
 from django.contrib import admin
-from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
 from pyconbalkan.conference.models import Conference
 
 
-def _get_default_conference():
-    if Conference.objects.exists():
-        return Conference.objects.first().id
-
-
-class AbstractConference(models.Model):
-    conference = models.ForeignKey(
-        Conference, on_delete=models.CASCADE, default=_get_default_conference
-    )
-
-    class Meta:
-        abstract = True
-
-
 class ConferenceFilter(admin.SimpleListFilter):
-    title = _('Conference year')
-    parameter_name = 'conference'
+    title = _("Conference year")
+    parameter_name = "conference"
 
     def choices(self, changelist):
         for lookup, title in self.lookup_choices:
             yield {
-                'selected': self.value() is lookup or self.value() == str(lookup),
-                'query_string': changelist.get_query_string(
+                "selected": self.value() is lookup or self.value() == str(lookup),
+                "query_string": changelist.get_query_string(
                     {self.parameter_name: lookup}
                 ),
-                'display': title,
+                "display": title,
             }
 
     def lookups(self, request, model_admin):
diff --git a/pyconbalkan/conference/admin.py b/pyconbalkan/conference/admin.py
index d8fdca7c..910c22d4 100644
--- a/pyconbalkan/conference/admin.py
+++ b/pyconbalkan/conference/admin.py
@@ -1,5 +1,6 @@
 from django.contrib import admin
 
+from pyconbalkan.conference.abstractions import ConferenceAbstractAdmin
 from pyconbalkan.conference.models import Conference, CountDown, MissionStatement
 from markdownx.admin import MarkdownxModelAdmin
 
@@ -9,12 +10,12 @@ class Meta:
         model = Conference
 
 
-class CountDownAdmin(admin.ModelAdmin):
+class CountDownAdmin(ConferenceAbstractAdmin):
     class Meta:
         model = CountDown
 
 
-class MissionStatementAdmin(MarkdownxModelAdmin):
+class MissionStatementAdmin(ConferenceAbstractAdmin, MarkdownxModelAdmin):
     class Meta:
         model = MissionStatement
 
diff --git a/pyconbalkan/conference/migrations/0008_auto_20190303_1800.py b/pyconbalkan/conference/migrations/0008_auto_20190303_1800.py
new file mode 100644
index 00000000..c68bc5f0
--- /dev/null
+++ b/pyconbalkan/conference/migrations/0008_auto_20190303_1800.py
@@ -0,0 +1,25 @@
+# Generated by Django 2.1.2 on 2019-03-03 18:00
+
+from django.db import migrations, models
+import django.db.models.deletion
+import pyconbalkan.conference.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('conference', '0007_auto_20190227_0738'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='countdown',
+            name='conference',
+            field=models.ForeignKey(default=pyconbalkan.conference.models._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
+        ),
+        migrations.AddField(
+            model_name='missionstatement',
+            name='conference',
+            field=models.ForeignKey(default=pyconbalkan.conference.models._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
+        ),
+    ]
diff --git a/pyconbalkan/conference/models.py b/pyconbalkan/conference/models.py
index 02dc1163..ddb66606 100644
--- a/pyconbalkan/conference/models.py
+++ b/pyconbalkan/conference/models.py
@@ -1,9 +1,9 @@
 from django.db import models
 from django_countries.fields import CountryField
+from markdownx.models import MarkdownxField
 from meta.models import ModelMeta
 
 from pyconbalkan.core.models import SingleActiveModel
-from markdownx.models import MarkdownxField
 
 
 class Conference(SingleActiveModel, ModelMeta):
@@ -53,7 +53,21 @@ def __str__(self):
         return '{} {} {}'.format(self.event, self.name, self.year)
 
 
-class CountDown(SingleActiveModel):
+def _get_default_conference():
+    if Conference.objects.exists():
+        return Conference.objects.first().id
+
+
+class AbstractConference(models.Model):
+    conference = models.ForeignKey(
+        Conference, on_delete=models.CASCADE, default=_get_default_conference
+    )
+
+    class Meta:
+        abstract = True
+
+
+class CountDown(AbstractConference, SingleActiveModel):
     title = models.CharField(null=True, blank=True, max_length=100)
     count_down = models.DateTimeField(null=True, blank=True)
 
@@ -61,8 +75,10 @@ def __str__(self):
         return self.title
 
 
-class MissionStatement(SingleActiveModel):
+class MissionStatement(AbstractConference, SingleActiveModel):
     content = MarkdownxField(null=True, blank=True)
 
     def __str__(self):
         return self.content
+
+
diff --git a/pyconbalkan/core/views.py b/pyconbalkan/core/views.py
index 3ad87d69..37439fce 100644
--- a/pyconbalkan/core/views.py
+++ b/pyconbalkan/core/views.py
@@ -1,3 +1,4 @@
+from django.db.models import Q
 from django.shortcuts import render
 
 from pyconbalkan.conference.models import CountDown, MissionStatement
@@ -6,26 +7,28 @@
 
 
 def home(request):
-    count_down = CountDown.objects.filter(active=True)
-    keynotes = Speaker.objects.filter(active=True, keynote=True).order_by('full_name')
+    q = Q(conference=request.conference)
 
-    keystone_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.keystone)
-    platinum_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.platinum)
-    gold_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.gold)
-    silver_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.silver)
-    partners = Sponsor.objects.filter(level=SponsorshipLevel.partner)
+    count_down = CountDown.objects.filter(active=True).filter(q)
+    keynotes = Speaker.objects.filter(active=True, keynote=True).order_by("full_name").filter(q)
 
-    mission_statement = MissionStatement.objects.filter(active=True)
+    keystone_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.keystone).filter(q)
+    platinum_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.platinum).filter(q)
+    gold_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.gold).filter(q)
+    silver_sponsors = Sponsor.objects.filter(level=SponsorshipLevel.silver).filter(q)
+    partners = Sponsor.objects.filter(level=SponsorshipLevel.partner).filter(q)
+
+    mission_statement = MissionStatement.objects.filter(active=True).filter(q)
 
     context = {
-        'keynotes': keynotes,
-        'keystone_sponsors': keystone_sponsors,
-        'platinum_sponsors': platinum_sponsors,
-        'gold_sponsors': gold_sponsors,
-        'silver_sponsors': silver_sponsors,
-        'partners': partners,
-        'count_down': count_down.first() if count_down else None,
-        'mission_statement': mission_statement.first() if mission_statement else None,
-        'meta': request.conference.as_meta(),
+        "keynotes": keynotes,
+        "keystone_sponsors": keystone_sponsors,
+        "platinum_sponsors": platinum_sponsors,
+        "gold_sponsors": gold_sponsors,
+        "silver_sponsors": silver_sponsors,
+        "partners": partners,
+        "count_down": count_down.first() if count_down else None,
+        "mission_statement": mission_statement.first() if mission_statement else None,
+        "meta": request.conference.as_meta(),
     }
-    return render(request, 'home.html', context)
+    return render(request, "home.html", context)
diff --git a/pyconbalkan/news/migrations/0008_post_conference.py b/pyconbalkan/news/migrations/0008_post_conference.py
index 5ea07730..d4302de6 100644
--- a/pyconbalkan/news/migrations/0008_post_conference.py
+++ b/pyconbalkan/news/migrations/0008_post_conference.py
@@ -16,6 +16,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='post',
             name='conference',
-            field=models.ForeignKey(default=pyconbalkan.conference.abstractions._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
+            field=models.ForeignKey(default=pyconbalkan.conference.models._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
         ),
     ]
diff --git a/pyconbalkan/news/models.py b/pyconbalkan/news/models.py
index 5e52d847..fb7bbd22 100644
--- a/pyconbalkan/news/models.py
+++ b/pyconbalkan/news/models.py
@@ -3,7 +3,7 @@
 from markdownx.models import MarkdownxField
 from taggit.managers import TaggableManager
 
-from pyconbalkan.conference.abstractions import AbstractConference
+from pyconbalkan.conference.models import AbstractConference
 from pyconbalkan.core.models import ActiveModel
 
 
diff --git a/pyconbalkan/speaker/migrations/0011_speaker_conference.py b/pyconbalkan/speaker/migrations/0011_speaker_conference.py
index b3f238e0..b6892a12 100644
--- a/pyconbalkan/speaker/migrations/0011_speaker_conference.py
+++ b/pyconbalkan/speaker/migrations/0011_speaker_conference.py
@@ -16,6 +16,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='speaker',
             name='conference',
-            field=models.ForeignKey(default=pyconbalkan.conference.abstractions._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
+            field=models.ForeignKey(default=pyconbalkan.conference.models._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
         ),
     ]
diff --git a/pyconbalkan/speaker/models.py b/pyconbalkan/speaker/models.py
index 444da30b..01581121 100644
--- a/pyconbalkan/speaker/models.py
+++ b/pyconbalkan/speaker/models.py
@@ -1,7 +1,7 @@
 from django.db import models
 from django.db.models import CASCADE
 
-from pyconbalkan.conference.abstractions import AbstractConference
+from pyconbalkan.conference.models import AbstractConference
 from pyconbalkan.core.models import Person, ActiveModel
 
 
diff --git a/pyconbalkan/sponsors/migrations/0010_sponsor_conference.py b/pyconbalkan/sponsors/migrations/0010_sponsor_conference.py
index 89f28c4e..d853cfde 100644
--- a/pyconbalkan/sponsors/migrations/0010_sponsor_conference.py
+++ b/pyconbalkan/sponsors/migrations/0010_sponsor_conference.py
@@ -16,6 +16,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='sponsor',
             name='conference',
-            field=models.ForeignKey(default=pyconbalkan.conference.abstractions._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
+            field=models.ForeignKey(default=pyconbalkan.conference.models._get_default_conference, on_delete=django.db.models.deletion.CASCADE, to='conference.Conference'),
         ),
     ]
diff --git a/pyconbalkan/sponsors/models.py b/pyconbalkan/sponsors/models.py
index de5ddb68..4248e997 100644
--- a/pyconbalkan/sponsors/models.py
+++ b/pyconbalkan/sponsors/models.py
@@ -5,7 +5,7 @@
 from markdownx.models import MarkdownxField
 from djmoney.models.fields import MoneyField
 
-from pyconbalkan.conference.abstractions import AbstractConference
+from pyconbalkan.conference.models import AbstractConference
 from pyconbalkan.core.models import ActiveModel