Site: Create news item for 1.13.0 and update release date in history
diff --git a/site/_docs/history.md b/site/_docs/history.md
index 81f6814..7c1f168 100644
--- a/site/_docs/history.md
+++ b/site/_docs/history.md
@@ -28,7 +28,7 @@
 Downloads are available on the
 [downloads page]({{ site.baseurl }}/downloads/avatica.html).
 
-## <a href="https://github.com/apache/calcite-avatica/releases/tag/rel/avatica-1.13.0">1.13.0</a> / 2018-11-XX
+## <a href="https://github.com/apache/calcite-avatica/releases/tag/rel/avatica-1.13.0">1.13.0</a> / 2018-12-04
 {: #v1-13-0}
 
 Apache Calcite Avatica 1.13.0 includes around 30 bugs fixes and enhancements. This release adds the ability to
diff --git a/site/_posts/2018-12-04-release-1.13.0.md b/site/_posts/2018-12-04-release-1.13.0.md
new file mode 100644
index 0000000..a7feed5
--- /dev/null
+++ b/site/_posts/2018-12-04-release-1.13.0.md
@@ -0,0 +1,31 @@
+---
+layout: news_item
+date: "2018-12-04 08:30:00 +0000"
+author: francischuang
+version: 1.13.0
+categories: [release]
+tag: v1-13-0
+sha: 861d05a
+component: avatica
+---
+<!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+
+Apache Calcite Avatica 1.13.0 includes more than 30
+[bug fixes and new features]({{ site.baseurl }}/docs/history.html#v1-13-0).