diff --git a/HISTORY.md b/HISTORY.md
index 5a9b59e1..f6b82cff 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -2,6 +2,13 @@
 http://visjs.org
 
 
+## not yet released, version 3.10.1-SNAPSHOT
+
+### Timeline
+
+- Fixed not property initializing with a DataView for groups.
+
+
 ## 2015-02-11, version 3.10.0
 
 ### Network
diff --git a/lib/timeline/Timeline.js b/lib/timeline/Timeline.js
index 6deea30a..2a61d12e 100644
--- a/lib/timeline/Timeline.js
+++ b/lib/timeline/Timeline.js
@@ -13,8 +13,8 @@ var ItemSet = require('./component/ItemSet');
 /**
  * Create a timeline visualization
  * @param {HTMLElement} container
- * @param {vis.DataSet | Array | google.visualization.DataTable} [items]
- * @param {vis.DataSet | Array | google.visualization.DataTable} [groups]
+ * @param {vis.DataSet | vis.DataView | Array | google.visualization.DataTable} [items]
+ * @param {vis.DataSet | vis.DataView | Array | google.visualization.DataTable} [groups]
  * @param {Object} [options]  See Timeline.setOptions for the available options.
  * @constructor
  * @extends Core
@@ -25,7 +25,7 @@ function Timeline (container, items, groups, options) {
   }
 
   // if the third element is options, the forth is groups (optionally);
-  if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) {
+  if (!(Array.isArray(groups) || groups instanceof DataSet || groups instanceof DataView) && groups instanceof Object) {
     var forthArgument = options;
     options = groups;
     groups = forthArgument;