diff --git a/newsbox/admin.py b/newsbox/admin.py
index 76d42f7f15ee708531fb7a23edf8037f1e59712d..26e547ba7e6047a77d04db38aa879e74d5956f4f 100644
--- a/newsbox/admin.py
+++ b/newsbox/admin.py
@@ -143,8 +143,6 @@ class NewsboxBaseAdmin(admin.ModelAdmin):
     changestatus_link.short_description = _('published')
 
     def newsbox_date_short(self, obj):
-        if not obj.newsbox_publication_start_date:
-            return None
         return '<span title="%s">%s</span>' % (
             formats.date_format(obj.newsbox_publication_start_date, 'DATETIME_FORMAT'),
             formats.date_format(obj.newsbox_publication_start_date, 'SHORT_DATE_FORMAT')
@@ -318,20 +316,15 @@ class NewsboxAdmin(NewsboxBaseAdmin):
 class NewsboxExpiredAdmin(NewsboxBaseAdmin):
 
     def newsbox_publication_dates_short(self, obj):
-        if not obj.newsbox_publication_end_date and not obj.newsbox_publication_start_date:
-            return None
         output = []
         title = []
         css_class = []
-        if not obj.newsbox_publication_start_date:
-            title.append(_('always'))
-        else:
-            title.append(formats.date_format(obj.newsbox_publication_start_date,
-                                             'DATETIME_FORMAT'))
-            output.append('<span class="from">%s</span>' %
-                          formats.date_format(obj.newsbox_publication_start_date,
-                                              'SHORT_DATE_FORMAT'))
-            css_class.append('from')
+        title.append(formats.date_format(obj.newsbox_publication_start_date,
+                                         'DATETIME_FORMAT'))
+        output.append('<span class="from">%s</span>' %
+                      formats.date_format(obj.newsbox_publication_start_date,
+                                          'SHORT_DATE_FORMAT'))
+        css_class.append('from')
         if not obj.newsbox_publication_end_date:
             title.append(_('never'))
         else:
diff --git a/newsbox/models.py b/newsbox/models.py
index d6bda6fdf47bdae1e388b648f4d78b37a65452dd..08f6f06acb8c72d2597479267a21e95363adafbf 100644
--- a/newsbox/models.py
+++ b/newsbox/models.py
@@ -168,6 +168,7 @@ class NewsboxBase(six.with_metaclass(NewsboxModelBase, models.Model)):
     # event datetime
     newsbox_date = models.DateTimeField(
         verbose_name=_('date'),
+        help_text=_('Date of the event related to this news'),
         default=None, db_index=False,
         null=True, blank=True,
     )
@@ -178,7 +179,8 @@ class NewsboxBase(six.with_metaclass(NewsboxModelBase, models.Model)):
         default=datetime.now, db_index=True,
         help_text=_(
             'When the news should go live. '
-            'Status must be "Published" for news to go live.'))
+            'Status must be "Published" for news to go live.'),
+        null=False, blank=False)
 
     newsbox_published = models.BooleanField(
         verbose_name=_('published'),
@@ -188,6 +190,22 @@ class NewsboxBase(six.with_metaclass(NewsboxModelBase, models.Model)):
     default_manager = NewsboxManager()
     objects = default_manager
 
+    class Meta:
+        abstract = True
+        verbose_name = _('news')
+        verbose_name_plural = _('news')
+        ordering = ('-newsbox_publication_start_date', )
+        newsbox_metaclass_base_processor = 'newsbox_mcls_processor'
+
+    @classmethod
+    def q_published(cls):
+        now = datetime.utcnow().replace(tzinfo=utc)
+        # Only published News
+        q = models.Q(newsbox_published=True)
+        # exclude news with publication start date in the future
+        q &= models.Q(newsbox_publication_start_date__lte=now)
+        return q
+
     def __str__(self):
         return six.text_type(self.newsbox_title)
 
@@ -207,7 +225,7 @@ class NewsboxBase(six.with_metaclass(NewsboxModelBase, models.Model)):
 
         if isinstance(self, NewsboxExpiredBase):
             now = datetime.utcnow().replace(tzinfo=utc)
-            if self.newsbox_publication_start_date and now < self.newsbox_publication_start_date:
+            if now < self.newsbox_publication_start_date:
                 return False
             if self.newsbox_publication_end_date and now > self.newsbox_publication_end_date:
                 return False
@@ -224,21 +242,11 @@ class NewsboxBase(six.with_metaclass(NewsboxModelBase, models.Model)):
             self.newsbox_publication_start_date.strftime("%d"),
             self.get_slug(),))
 
-    @classmethod
-    def q_published(cls):
-        now = datetime.utcnow().replace(tzinfo=utc)
-        # Only published News
-        q = models.Q(newsbox_published=True)
-        # exclude news with publication start date in the future
-        q &= models.Q(newsbox_publication_start_date__lte=now)
-        return q
-
-    class Meta:
-        abstract = True
-        verbose_name = _('news')
-        verbose_name_plural = _('news')
-        ordering = ('-newsbox_publication_start_date', )
-        newsbox_metaclass_base_processor = 'newsbox_mcls_processor'
+    def save(self, *args, **kwargs):
+        # be sure to have a publication start date
+        if not self.newsbox_publication_start_date:
+            self.newsbox_publication_start_date = self.newsbox_creation_date
+        super(NewsboxBase, self).save(*args, **kwargs)
 
 
 class NewsboxExpiredBase(six.with_metaclass(NewsboxModelBase, models.Model)):
diff --git a/newsbox/views.py b/newsbox/views.py
index 27c0bc87ce4127bf4ab4f82b8f6f08603fc5e592..c76770f28e064bb7b4e69fc86091f000f6e4a206 100644
--- a/newsbox/views.py
+++ b/newsbox/views.py
@@ -92,9 +92,6 @@ class NewsboxDetailView(DateDetailView):
     def get_object(self, queryset=None):
         # We check user permission
         obj = super(NewsboxDetailView, self).get_object(queryset)
-        if(
-            not obj.is_published() and
-            not obj.has_change_permission(self.request)
-        ):
+        if not obj.is_published() and not obj.has_change_permission(self.request):
             raise Http404
         return obj
diff --git a/newsbox_i18n/views.py b/newsbox_i18n/views.py
index 52e14e0b7a6ce6639d6412b5fa80fcbf4526b18e..7a94df5d7a07b310d11a4c9b9facd4b183516840 100644
--- a/newsbox_i18n/views.py
+++ b/newsbox_i18n/views.py
@@ -26,7 +26,5 @@ class NewsboxI18NDetailView(NewsboxDetailView):
         if not queryset:
             queryset = self.get_queryset()
         language = get_language()
-        obj = queryset.translated(language, newsbox_slug=self.kwargs[self.slug_url_kwarg]).get()
-        if not obj.is_published() and not obj.has_change_permission(self.request):
-            raise Http404
-        return obj
+        queryset = queryset.translated(language, newsbox_slug=self.kwargs[self.slug_url_kwarg])
+        return super(NewsboxI18NDetailView, self).get_object(queryset=queryset)
diff --git a/tests/myapp/fixtures/tests_data.json b/tests/myapp/fixtures/tests_data.json
index fe8b54af098a93df032407c6616e0dcfff7daebb..bf53a2cacfd5f4f7d4a9e91012d092036a7cc7f0 100644
--- a/tests/myapp/fixtures/tests_data.json
+++ b/tests/myapp/fixtures/tests_data.json
@@ -5,12 +5,12 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-1", 
-        "newsbox_creation_date": "2014-03-11T13:54:03.213Z", 
-        "newsbox_publication_start_date": "1985-07-02T08:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_creation_date": "2014-03-01T13:54:03.213Z", 
+        "newsbox_publication_start_date": "2014-03-01T13:54:03.213Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 1", 
         "newsbox_body": "Body of the news 1", 
-        "newsbox_changed_date": "2014-03-11T13:54:03.213Z", 
+        "newsbox_changed_date": "2014-03-01T13:54:03.213Z", 
         "newsbox_title": "News 1"
     }
 },
@@ -20,12 +20,12 @@
     "fields": {
         "newsbox_published": false, 
         "newsbox_slug": "news-2", 
-        "newsbox_creation_date": "2014-03-11T13:54:03.398Z", 
-        "newsbox_publication_start_date": "1985-07-02T09:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_creation_date": "2014-03-02T13:54:03.398Z", 
+        "newsbox_publication_start_date": "2014-03-02T13:54:03.398Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 2", 
         "newsbox_body": "Body of the news 2", 
-        "newsbox_changed_date": "2014-03-11T13:54:03.398Z", 
+        "newsbox_changed_date": "2014-03-02T13:54:03.398Z", 
         "newsbox_title": "News 2"
     }
 },
@@ -35,12 +35,12 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-3", 
-        "newsbox_creation_date": "2014-03-11T13:54:03.598Z", 
+        "newsbox_creation_date": "2014-03-03T13:54:03.598Z", 
         "newsbox_publication_start_date": "2020-01-01T08:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 3", 
         "newsbox_body": "Body of the news 3", 
-        "newsbox_changed_date": "2014-03-11T13:54:03.598Z", 
+        "newsbox_changed_date": "2014-03-03T13:54:03.598Z", 
         "newsbox_title": "News 3"
     }
 },
@@ -50,12 +50,12 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-4", 
-        "newsbox_creation_date": "2014-03-11T13:54:03.882Z", 
-        "newsbox_publication_start_date": "1985-07-02T10:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_creation_date": "2014-03-04T13:54:03.882Z", 
+        "newsbox_publication_start_date": "2014-03-04T13:54:03.882Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 4", 
         "newsbox_body": "", 
-        "newsbox_changed_date": "2014-03-11T13:54:03.882Z", 
+        "newsbox_changed_date": "2014-03-04T13:54:03.882Z", 
         "newsbox_title": "News 4"
     }
 },
@@ -65,12 +65,12 @@
     "fields": {
         "newsbox_published": false, 
         "newsbox_slug": "news-5", 
-        "newsbox_creation_date": "2014-03-11T13:54:04.083Z", 
-        "newsbox_publication_start_date": "1985-07-02T11:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_creation_date": "2014-03-05T13:54:04.083Z", 
+        "newsbox_publication_start_date": "2014-03-05T13:54:04.083Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 5", 
         "newsbox_body": "Body of the news 5", 
-        "newsbox_changed_date": "2014-03-11T13:54:04.083Z", 
+        "newsbox_changed_date": "2014-03-05T13:54:04.083Z", 
         "newsbox_title": "News 5"
     }
 },
@@ -80,12 +80,12 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-6", 
-        "newsbox_creation_date": "2014-03-11T13:54:04.293Z", 
-        "newsbox_publication_start_date": "1985-07-02T12:00:00Z", 
-        "newsbox_date": "2005-07-15T08:00:00Z", 
+        "newsbox_creation_date": "2014-03-06T13:54:04.293Z", 
+        "newsbox_publication_start_date": "2005-07-15T08:00:00Z", 
+        "newsbox_date": "2028-01-01T08:00:00Z", 
         "newsbox_summary": "Summary of the news 6", 
         "newsbox_body": "Body of the news 6", 
-        "newsbox_changed_date": "2014-03-11T13:54:04.293Z", 
+        "newsbox_changed_date": "2014-03-06T13:54:04.293Z", 
         "newsbox_title": "News 6"
     }
 },
@@ -95,12 +95,12 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-7", 
-        "newsbox_creation_date": "2014-03-11T13:54:04.502Z", 
-        "newsbox_publication_start_date": "1985-07-02T13:00:00Z", 
-        "newsbox_date": "2020-01-01T08:00:00Z", 
+        "newsbox_creation_date": "2014-03-07T13:54:04.502Z", 
+        "newsbox_publication_start_date": "2014-03-07T13:54:04.502Z", 
+        "newsbox_date": "1985-07-02T23:50:00Z", 
         "newsbox_summary": "Summary of the news 7", 
         "newsbox_body": "Body of the news 7", 
-        "newsbox_changed_date": "2014-03-11T13:54:04.503Z", 
+        "newsbox_changed_date": "2014-03-07T13:54:04.503Z", 
         "newsbox_title": "News 7"
     }
 },
@@ -111,14 +111,14 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 1", 
         "newsbox_slug": "news-1", 
-        "newsbox_creation_date": "2014-03-11T13:54:01.813Z", 
-        "newsbox_publication_start_date": "1985-07-02T08:00:00Z", 
+        "newsbox_creation_date": "2014-03-01T13:54:01.813Z", 
+        "newsbox_publication_start_date": "2014-03-01T13:54:01.813Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-1", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 1", 
         "newsbox_body": "Body of the news 1", 
-        "newsbox_changed_date": "2014-03-11T13:54:01.813Z", 
+        "newsbox_changed_date": "2014-03-01T13:54:01.813Z", 
         "newsbox_title": "News 1"
     }
 },
@@ -129,14 +129,14 @@
         "newsbox_published": false, 
         "newsbox_meta_description": "Meta description of the news 2", 
         "newsbox_slug": "news-2", 
-        "newsbox_creation_date": "2014-03-11T13:54:02.005Z", 
-        "newsbox_publication_start_date": "1985-07-02T09:00:00Z", 
+        "newsbox_creation_date": "2014-03-02T13:54:02.005Z", 
+        "newsbox_publication_start_date": "2014-03-02T13:54:02.005Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-2", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 2", 
         "newsbox_body": "Body of the news 2", 
-        "newsbox_changed_date": "2014-03-11T13:54:02.005Z", 
+        "newsbox_changed_date": "2014-03-02T13:54:02.005Z", 
         "newsbox_title": "News 2"
     }
 },
@@ -147,14 +147,14 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 3", 
         "newsbox_slug": "news-3", 
-        "newsbox_creation_date": "2014-03-11T13:54:02.201Z", 
+        "newsbox_creation_date": "2014-03-03T13:54:02.201Z", 
         "newsbox_publication_start_date": "2020-01-01T08:00:00Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-3", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 3", 
         "newsbox_body": "Body of the news 3", 
-        "newsbox_changed_date": "2014-03-11T13:54:02.201Z", 
+        "newsbox_changed_date": "2014-03-03T13:54:02.201Z", 
         "newsbox_title": "News 3"
     }
 },
@@ -165,14 +165,14 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 4", 
         "newsbox_slug": "news-4", 
-        "newsbox_creation_date": "2014-03-11T13:54:02.408Z", 
-        "newsbox_publication_start_date": "1985-07-02T10:00:00Z", 
+        "newsbox_creation_date": "2014-03-04T13:54:02.408Z", 
+        "newsbox_publication_start_date": "2014-03-04T13:54:02.408Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-4", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 4", 
         "newsbox_body": "", 
-        "newsbox_changed_date": "2014-03-11T13:54:02.408Z", 
+        "newsbox_changed_date": "2014-03-04T13:54:02.408Z", 
         "newsbox_title": "News 4"
     }
 },
@@ -183,14 +183,14 @@
         "newsbox_published": false, 
         "newsbox_meta_description": "Meta description of the news 5", 
         "newsbox_slug": "news-5", 
-        "newsbox_creation_date": "2014-03-11T13:54:02.602Z", 
-        "newsbox_publication_start_date": "1985-07-02T11:00:00Z", 
+        "newsbox_creation_date": "2014-03-05T13:54:02.602Z", 
+        "newsbox_publication_start_date": "2014-03-05T13:54:02.408Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-5", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 5", 
         "newsbox_body": "Body of the news 5", 
-        "newsbox_changed_date": "2014-03-11T13:54:02.602Z", 
+        "newsbox_changed_date": "2014-03-05T13:54:02.602Z", 
         "newsbox_title": "News 5"
     }
 },
@@ -201,14 +201,14 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 6", 
         "newsbox_slug": "news-6", 
-        "newsbox_creation_date": "2014-03-11T13:54:02.810Z", 
-        "newsbox_publication_start_date": "1985-07-02T12:00:00Z", 
+        "newsbox_creation_date": "2014-03-06T13:54:02.810Z", 
+        "newsbox_publication_start_date": "2005-07-15T08:00:00Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-6", 
-        "newsbox_date": "2005-07-15T08:00:00Z", 
+        "newsbox_date": "2028-01-01T08:00:00Z", 
         "newsbox_indexed": false, 
         "newsbox_summary": "Summary of the news 6", 
         "newsbox_body": "Body of the news 6", 
-        "newsbox_changed_date": "2014-03-11T13:54:02.810Z", 
+        "newsbox_changed_date": "2014-03-06T13:54:02.810Z", 
         "newsbox_title": "News 6"
     }
 },
@@ -219,14 +219,14 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 7", 
         "newsbox_slug": "news-7", 
-        "newsbox_creation_date": "2014-03-11T13:54:03.019Z", 
-        "newsbox_publication_start_date": "1985-07-02T13:00:00Z", 
+        "newsbox_creation_date": "2014-03-07T13:54:03.019Z", 
+        "newsbox_publication_start_date": "2014-03-07T13:54:03.019Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-7", 
-        "newsbox_date": "2020-01-01T08:00:00Z", 
+        "newsbox_date": "1985-07-02T23:50:00Z", 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 7", 
         "newsbox_body": "Body of the news 7", 
-        "newsbox_changed_date": "2014-03-11T13:54:03.019Z", 
+        "newsbox_changed_date": "2014-03-07T13:54:03.019Z", 
         "newsbox_title": "News 7"
     }
 },
@@ -236,10 +236,10 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-1", 
-        "newsbox_changed_date": "2014-03-11T13:53:50.409Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:50.409Z", 
-        "newsbox_publication_start_date": "1985-07-02T08:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-01T13:53:50.409Z", 
+        "newsbox_creation_date": "2014-03-01T13:53:50.409Z", 
+        "newsbox_publication_start_date": "2014-03-01T13:53:50.409Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 1", 
         "newsbox_body": "Body of the news 1", 
         "newsbox_publication_end_date": null, 
@@ -252,10 +252,10 @@
     "fields": {
         "newsbox_published": false, 
         "newsbox_slug": "news-2", 
-        "newsbox_changed_date": "2014-03-11T13:53:50.593Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:50.593Z", 
-        "newsbox_publication_start_date": "1985-07-02T09:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-02T13:53:50.593Z", 
+        "newsbox_creation_date": "2014-03-02T13:53:50.593Z", 
+        "newsbox_publication_start_date": "2014-03-02T13:53:50.593Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 2", 
         "newsbox_body": "Body of the news 2", 
         "newsbox_publication_end_date": null, 
@@ -268,10 +268,10 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-3", 
-        "newsbox_changed_date": "2014-03-11T13:53:50.795Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:50.795Z", 
+        "newsbox_changed_date": "2014-03-03T13:53:50.795Z", 
+        "newsbox_creation_date": "2014-03-03T13:53:50.795Z", 
         "newsbox_publication_start_date": "2020-01-01T08:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 3", 
         "newsbox_body": "Body of the news 3", 
         "newsbox_publication_end_date": null, 
@@ -284,10 +284,10 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-4", 
-        "newsbox_changed_date": "2014-03-11T13:53:50.988Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:50.988Z", 
-        "newsbox_publication_start_date": "1985-07-02T10:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-04T13:53:50.988Z", 
+        "newsbox_creation_date": "2014-03-04T13:53:50.988Z", 
+        "newsbox_publication_start_date": "2014-03-04T13:53:50.988Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 4", 
         "newsbox_body": "", 
         "newsbox_publication_end_date": null, 
@@ -300,13 +300,13 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-5", 
-        "newsbox_changed_date": "2014-03-11T13:53:51.196Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:51.196Z", 
-        "newsbox_publication_start_date": "1985-07-02T11:00:00Z", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-05T13:53:51.196Z", 
+        "newsbox_creation_date": "2014-03-05T13:53:51.196Z", 
+        "newsbox_publication_start_date": "2014-03-05T13:53:51.196Z", 
+        "newsbox_date": null, 
         "newsbox_summary": "Summary of the news 5", 
         "newsbox_body": "Body of the news 5", 
-        "newsbox_publication_end_date": "2000-01-01T08:00:00Z", 
+        "newsbox_publication_end_date": "2014-06-01T08:00:00Z", 
         "newsbox_title": "News 5"
     }
 },
@@ -316,10 +316,10 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-6", 
-        "newsbox_changed_date": "2014-03-11T13:53:51.406Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:51.406Z", 
-        "newsbox_publication_start_date": "1985-07-02T12:00:00Z", 
-        "newsbox_date": "2005-07-15T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-06T13:53:51.406Z", 
+        "newsbox_creation_date": "2014-03-06T13:53:51.406Z", 
+        "newsbox_publication_start_date": "2005-07-15T08:00:00Z", 
+        "newsbox_date": "2028-01-01T08:00:00Z", 
         "newsbox_summary": "Summary of the news 6", 
         "newsbox_body": "Body of the news 6", 
         "newsbox_publication_end_date": null, 
@@ -332,13 +332,13 @@
     "fields": {
         "newsbox_published": true, 
         "newsbox_slug": "news-7", 
-        "newsbox_changed_date": "2014-03-11T13:53:51.589Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:51.589Z", 
-        "newsbox_publication_start_date": "1985-07-02T13:00:00Z", 
-        "newsbox_date": "2020-01-01T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-07T13:53:51.589Z", 
+        "newsbox_creation_date": "2014-03-07T13:53:51.589Z", 
+        "newsbox_publication_start_date": "2014-03-07T13:53:51.589Z", 
+        "newsbox_date": "1985-07-02T23:50:00Z", 
         "newsbox_summary": "Summary of the news 7", 
         "newsbox_body": "Body of the news 7", 
-        "newsbox_publication_end_date": null, 
+        "newsbox_publication_end_date": "2020-03-07T13:53:51.589Z", 
         "newsbox_title": "News 7"
     }
 },
@@ -349,11 +349,11 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 1", 
         "newsbox_slug": "news-1", 
-        "newsbox_changed_date": "2014-03-11T13:53:28.605Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:28.605Z", 
-        "newsbox_publication_start_date": "1985-07-02T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-01T13:53:28.605Z", 
+        "newsbox_creation_date": "2014-03-01T13:53:28.605Z", 
+        "newsbox_publication_start_date": "2014-03-01T13:53:28.605Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-1", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 1", 
         "newsbox_body": "Body of the news 1", 
@@ -368,11 +368,11 @@
         "newsbox_published": false, 
         "newsbox_meta_description": "Meta description of the news 2", 
         "newsbox_slug": "news-2", 
-        "newsbox_changed_date": "2014-03-11T13:53:28.763Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:28.763Z", 
-        "newsbox_publication_start_date": "1985-07-02T09:00:00Z", 
+        "newsbox_changed_date": "2014-03-02T13:53:28.763Z", 
+        "newsbox_creation_date": "2014-03-02T13:53:28.763Z", 
+        "newsbox_publication_start_date": "2014-03-02T13:53:28.605Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-2", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 2", 
         "newsbox_body": "Body of the news 2", 
@@ -387,11 +387,11 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 3", 
         "newsbox_slug": "news-3", 
-        "newsbox_changed_date": "2014-03-11T13:53:28.947Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:28.947Z", 
+        "newsbox_changed_date": "2014-03-03T13:53:28.947Z", 
+        "newsbox_creation_date": "2014-03-03T13:53:28.947Z", 
         "newsbox_publication_start_date": "2020-01-01T08:00:00Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-3", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 3", 
         "newsbox_body": "Body of the news 3", 
@@ -406,11 +406,11 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 4", 
         "newsbox_slug": "news-4", 
-        "newsbox_changed_date": "2014-03-11T13:53:29.125Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:29.125Z", 
-        "newsbox_publication_start_date": "1985-07-02T10:00:00Z", 
+        "newsbox_changed_date": "2014-03-04T13:53:29.125Z", 
+        "newsbox_creation_date": "2014-03-04T13:53:29.125Z", 
+        "newsbox_publication_start_date": "2014-03-04T13:53:28.605Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-4", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 4", 
         "newsbox_body": "", 
@@ -425,11 +425,11 @@
         "newsbox_published": false, 
         "newsbox_meta_description": "Meta description of the news 5", 
         "newsbox_slug": "news-5", 
-        "newsbox_changed_date": "2014-03-11T13:53:29.368Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:29.368Z", 
-        "newsbox_publication_start_date": "1985-07-02T11:00:00Z", 
+        "newsbox_changed_date": "2014-03-05T13:53:29.368Z", 
+        "newsbox_creation_date": "2014-03-05T13:53:29.368Z", 
+        "newsbox_publication_start_date": "2014-03-05T13:53:28.605Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-5", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 5", 
         "newsbox_body": "Body of the news 5", 
@@ -444,11 +444,11 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 6", 
         "newsbox_slug": "news-6", 
-        "newsbox_changed_date": "2014-03-11T13:53:29.594Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:29.594Z", 
-        "newsbox_publication_start_date": "1985-07-02T12:00:00Z", 
+        "newsbox_changed_date": "2014-03-06T13:53:29.594Z", 
+        "newsbox_creation_date": "2014-03-06T13:53:29.594Z", 
+        "newsbox_publication_start_date": "2005-07-15T08:00:00Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-6", 
-        "newsbox_date": "2005-07-15T08:00:00Z", 
+        "newsbox_date": "2028-01-01T08:00:00Z", 
         "newsbox_indexed": false, 
         "newsbox_summary": "Summary of the news 6", 
         "newsbox_body": "Body of the news 6", 
@@ -463,15 +463,15 @@
         "newsbox_published": true, 
         "newsbox_meta_description": "Meta description of the news 7", 
         "newsbox_slug": "news-7", 
-        "newsbox_changed_date": "2014-03-11T13:53:29.787Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:29.787Z", 
-        "newsbox_publication_start_date": "1985-07-02T13:00:00Z", 
+        "newsbox_changed_date": "2014-03-07T13:53:29.787Z", 
+        "newsbox_creation_date": "2014-03-07T13:53:29.787Z", 
+        "newsbox_publication_start_date": "2014-03-07T13:53:28.605Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-7", 
-        "newsbox_date": "2020-01-01T08:00:00Z", 
+        "newsbox_date": "1985-07-02T23:50:00Z", 
         "newsbox_indexed": true, 
         "newsbox_summary": "Summary of the news 7", 
         "newsbox_body": "Body of the news 7", 
-        "newsbox_publication_end_date": null, 
+        "newsbox_publication_end_date": "2020-03-07T13:53:51.589Z", 
         "newsbox_title": "News 7"
     }
 },
@@ -482,11 +482,11 @@
         "newsbox_published": true, 
         "content_field": "Extra content of the news 1", 
         "newsbox_slug": "news-1", 
-        "newsbox_changed_date": "2014-03-11T13:53:49.052Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:49.052Z", 
-        "newsbox_publication_start_date": "1985-07-02T08:00:00Z", 
+        "newsbox_changed_date": "2014-03-01T13:53:49.052Z", 
+        "newsbox_creation_date": "2014-03-01T13:53:49.052Z", 
+        "newsbox_publication_start_date": "2014-03-01T13:53:49.052Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-1", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "general_field": "Test", 
         "newsbox_indexed": true, 
         "seo_field": "Extra SEO of the news 1", 
@@ -504,11 +504,11 @@
         "newsbox_published": false, 
         "content_field": "Extra content of the news 2", 
         "newsbox_slug": "news-2", 
-        "newsbox_changed_date": "2014-03-11T13:53:49.243Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:49.243Z", 
-        "newsbox_publication_start_date": "1985-07-02T09:00:00Z", 
+        "newsbox_changed_date": "2014-03-02T13:53:49.243Z", 
+        "newsbox_creation_date": "2014-03-02T13:53:49.243Z", 
+        "newsbox_publication_start_date": "2014-03-02T13:53:49.052Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-2", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "general_field": "Test", 
         "newsbox_indexed": true, 
         "seo_field": "Extra SEO of the news 2", 
@@ -526,11 +526,11 @@
         "newsbox_published": true, 
         "content_field": "Extra content of the news 3", 
         "newsbox_slug": "news-3", 
-        "newsbox_changed_date": "2014-03-11T13:53:49.445Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:49.445Z", 
+        "newsbox_changed_date": "2014-03-03T13:53:49.445Z", 
+        "newsbox_creation_date": "2014-03-03T13:53:49.445Z", 
         "newsbox_publication_start_date": "2020-01-01T08:00:00Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-3", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "general_field": "Test", 
         "newsbox_indexed": true, 
         "seo_field": "Extra SEO of the news 3", 
@@ -548,11 +548,11 @@
         "newsbox_published": true, 
         "content_field": "Extra content of the news 4", 
         "newsbox_slug": "news-4", 
-        "newsbox_changed_date": "2014-03-11T13:53:49.629Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:49.629Z", 
-        "newsbox_publication_start_date": "1985-07-02T10:00:00Z", 
+        "newsbox_changed_date": "2014-03-04T13:53:49.629Z", 
+        "newsbox_creation_date": "2014-03-04T13:53:49.629Z", 
+        "newsbox_publication_start_date": "2014-03-04T13:53:49.052Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-4", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "general_field": "Test", 
         "newsbox_indexed": true, 
         "seo_field": "Extra SEO of the news 4", 
@@ -570,11 +570,11 @@
         "newsbox_published": false, 
         "content_field": "Extra content of the news 5", 
         "newsbox_slug": "news-5", 
-        "newsbox_changed_date": "2014-03-11T13:53:49.830Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:49.830Z", 
-        "newsbox_publication_start_date": "1985-07-02T11:00:00Z", 
+        "newsbox_changed_date": "2014-03-05T13:53:49.830Z", 
+        "newsbox_creation_date": "2014-03-05T13:53:49.830Z", 
+        "newsbox_publication_start_date": "2014-03-05T13:53:49.052Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-5", 
-        "newsbox_date": "2014-02-22T08:00:00Z", 
+        "newsbox_date": null, 
         "general_field": "Test", 
         "newsbox_indexed": true, 
         "seo_field": "Extra SEO of the news 5", 
@@ -592,11 +592,11 @@
         "newsbox_published": true, 
         "content_field": "Extra content of the news 6", 
         "newsbox_slug": "news-6", 
-        "newsbox_changed_date": "2014-03-11T13:53:50.016Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:50.016Z", 
-        "newsbox_publication_start_date": "1985-07-02T12:00:00Z", 
+        "newsbox_changed_date": "2014-03-06T13:53:50.016Z", 
+        "newsbox_creation_date": "2014-03-06T13:53:50.016Z", 
+        "newsbox_publication_start_date": "2005-07-15T08:00:00Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-6", 
-        "newsbox_date": "2005-07-15T08:00:00Z", 
+        "newsbox_date": "2028-01-01T08:00:00Z", 
         "general_field": "Test", 
         "newsbox_indexed": false, 
         "seo_field": "Extra SEO of the news 6", 
@@ -614,18 +614,18 @@
         "newsbox_published": true, 
         "content_field": "Extra content of the news 7", 
         "newsbox_slug": "news-7", 
-        "newsbox_changed_date": "2014-03-11T13:53:50.208Z", 
-        "newsbox_creation_date": "2014-03-11T13:53:50.208Z", 
-        "newsbox_publication_start_date": "1985-07-02T13:00:00Z", 
+        "newsbox_changed_date": "2014-03-07T13:53:50.208Z", 
+        "newsbox_creation_date": "2014-03-07T13:53:50.208Z", 
+        "newsbox_publication_start_date": "2014-03-07T13:53:49.052Z", 
         "newsbox_meta_keywords": "keyword1, keyword2, news-7", 
-        "newsbox_date": "2020-01-01T08:00:00Z", 
+        "newsbox_date": "1985-07-02T23:50:00Z", 
         "general_field": "Test", 
         "newsbox_indexed": true, 
         "seo_field": "Extra SEO of the news 7", 
         "newsbox_summary": "Summary of the news 7", 
         "newsbox_meta_description": "Meta description of the news 7", 
         "newsbox_body": "Body of the news 7", 
-        "newsbox_publication_end_date": null, 
+        "newsbox_publication_end_date": "2020-03-07T13:53:50.208Z", 
         "newsbox_title": "News 7"
     }
 }
diff --git a/tests/myapp/tests.py b/tests/myapp/tests.py
index 738c7a8e41a97b7ec4e43b426c3c7428fa7e7534..b726cd7e3ac28d696e7787848e935bb573015e12 100644
--- a/tests/myapp/tests.py
+++ b/tests/myapp/tests.py
@@ -49,10 +49,9 @@ class NewsboxAbstractModelsTests(TestCase):
         self.assertFalse(r.context['with_pager'])
         r = c.get('/news/2014/')
         self.assertEqual(r.status_code, 200)
-        self.assertEqual(r.context['newsset'].paginator.num_pages, 2)
+        self.assertEqual(r.context['newsset'].paginator.num_pages, 3)
         r = c.get('/news/2020/')
-        self.assertEqual(r.status_code, 200)
-        self.assertEqual(r.context['newsset'].paginator.num_pages, 1)
+        self.assertEqual(r.status_code, 404)
 
     def test_04_view_year_archive_404(self):
         """
@@ -128,6 +127,14 @@ class NewsboxAbstractModelsTests(TestCase):
         r = c.get('/newsbox/myapp/news/2014/02/22/news-2/')
         self.assertEqual(r.status_code, 404)
 
+    def test_12_view_detail_404_wrong_date(self):
+        """
+        Test if generic day views return a 404 with an URL with an invalide date
+        """
+        c = Client()
+        r = c.get('/newsbox/myapp/news/1984/07/15/news-6/')
+        self.assertEqual(r.status_code, 404)
+
     def has_readmore_link(self, news):
         readmore_p = news.find('p', class_='readmore')
         if readmore_p:
@@ -138,19 +145,37 @@ class NewsboxAbstractModelsTests(TestCase):
         return False
 
     def get_news_in_list_by_summary(self, response, summary):
-        soup = BeautifulSoup(response.content)
+        soup = BeautifulSoup(response.content, "html.parser")
         for news in soup.find_all('div', class_='news'):
             readmore_summary = news.find('p', text=summary)
             if readmore_summary:
                 return news
         return None
 
+    def test_news_are_ordered(self):
+        """
+        Test if news are correctly ordered
+        """
+        c = Client()
+        r = c.get('/news/?page=1')
+        news = self.get_news_in_list_by_summary(r, 'Summary of the news 7')
+        self.assertIsNotNone(news)
+        r = c.get('/news/?page=2')
+        news = self.get_news_in_list_by_summary(r, 'Summary of the news 4')
+        self.assertIsNotNone(news)
+        r = c.get('/news/?page=3')
+        news = self.get_news_in_list_by_summary(r, 'Summary of the news 1')
+        self.assertIsNotNone(news)
+        r = c.get('/news/?page=4')
+        news = self.get_news_in_list_by_summary(r, 'Summary of the news 6')
+        self.assertIsNotNone(news)
+
     def test_news_4_has_no_readmore_link(self):
         """
         Test if readmore link is not present in news 4
         """
         c = Client()
-        r = c.get('/news/?page=3')
+        r = c.get('/news/?page=2')
         news = self.get_news_in_list_by_summary(r, 'Summary of the news 4')
         self.assertIsNotNone(news)
 
diff --git a/tests/myapp_i18n/tests.py b/tests/myapp_i18n/tests.py
index ac1d90c91750ef85dbc11d196870c1de17be2252..af2206844aa031fe8d407e911f32b0cc3dcc7894 100644
--- a/tests/myapp_i18n/tests.py
+++ b/tests/myapp_i18n/tests.py
@@ -62,7 +62,7 @@ class NewsboxAbstractModelsTests(TestCase):
         Test if generic day views return right informations.
         """
         c = Client()
-        r = c.get('/en/newsbox/myapp_i18n/news/2005/07/15/news-6/')
+        r = c.get('/en/newsbox/myapp_i18n/news/1985/07/02/news-6/')
         self.assertEqual(r.status_code, 200)
         self.assertEqual(r.context['news'].pk, 6)
 
@@ -81,21 +81,29 @@ class NewsboxAbstractModelsTests(TestCase):
         news
         """
         c = Client()
-        r = c.get('/en/newsbox/myapp_i18n/news/2014/02/22/news-2/')
+        r = c.get('/en/newsbox/myapp_i18n/news/1985/07/02/news-2/')
         self.assertEqual(r.status_code, 404)
 
     def test_07_view_detail_translated(self):
         c = Client()
-        r_en = c.get('/en/newsbox/myapp_i18n/news/2005/07/15/news-6/')
-        r_fr = c.get('/fr/newsbox/myapp_i18n/news/2005/07/15/actualite-6/')
+        r_en = c.get('/en/newsbox/myapp_i18n/news/1985/07/02/news-6/')
+        r_fr = c.get('/fr/newsbox/myapp_i18n/news/1985/07/02/actualite-6/')
         self.assertEqual(r_fr.context['news'].pk, r_en.context['news'].pk)
         self.assertEqual(r_fr.context['news'].newsbox_title, 'Actualité 6')
         self.assertEqual(r_en.context['news'].newsbox_title, 'News 6')
 
     def test_08_get_absolute_url(self):
         news6 = News.objects.get(pk=6)
-        expected_results = {'en': '/en/newsbox/myapp_i18n/news/2005/07/15/news-6/',
-                            'fr': '/fr/newsbox/myapp_i18n/news/2005/07/15/actualite-6/', }
+        expected_results = {'en': '/en/newsbox/myapp_i18n/news/1985/07/02/news-6/',
+                            'fr': '/fr/newsbox/myapp_i18n/news/1985/07/02/actualite-6/', }
         for lang in expected_results:
             activate(lang)
             self.assertEqual(news6.get_absolute_url(), expected_results[lang])
+
+    def test_09_view_detail_404_wrong_date(self):
+        """
+        Test if generic day views return a 404 with an URL with an invalide date
+        """
+        c = Client()
+        r = c.get('/en/newsbox/myapp_i18n/news/2009/02/22/news-6/')
+        self.assertEqual(r.status_code, 404)
diff --git a/tox.ini b/tox.ini
index e0d6efd97ccc752fe2c0c1a5e3174a7d86122d10..e3a61dc1cd82c1b90556cf2ecfb169cde6a2c2c7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,20 +1,23 @@
 [tox]
 envlist=
+; test all python version with django 16
   py26-16,
   py27-16,
   py32-16,
   py33-16,
   py34-16,
+
+; test all other django with python 2.7
   py27-17,
   py27-18,
-  
-  py26-cms30,
-  py27-cms30,
-  py27-cms31,
-; cms seems to be not yet compatible with python 3.0
-;  py32-cms30,
-;  py33-cms30,
-;  py34-cms30,
+;  py27-19,
+
+; test all django CMS with python 2.7 (and recommanded django)
+;  py27-cms30,
+;  py27-cms31,
+;  py27-cms32,
+;  py27-cms33,
+;  py27-cms34
 
 [testenv]
 changedir = {toxinidir}/tests