CASSANDRA-16549 Placed a World Party button on the homepage
diff --git a/src/_includes/nav.html b/src/_includes/nav.html
index e3f34dc..0bb5add 100644
--- a/src/_includes/nav.html
+++ b/src/_includes/nav.html
@@ -79,6 +79,13 @@
              href="{{ latest | changelog_link }}">Cassandra {{ latest }} Changelog
           </a>
         </p>
+        <h1>
+          Join the 4.0 World Party | April 28, 2021
+        </h1>
+        <p>
+        <a class="btn btn-default download" role="button" href="{{ base }}worldparty/">Join Party</a>
+        </p>
+        <p>
       </div><!-- /.jumbotron -->
       {% endif %}
     </div>