diff --git a/HISTORY.md b/HISTORY.md
index df7a6343..231caf11 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -3,6 +3,11 @@ http://visjs.org
 
 ## not yet released, version 4.6.1
 
+### Timeline
+
+- Items keep their group offset while dragging items located in multiple groups.
+  Thanks @Fice.
+
 
 ## 2015-07-22, version 4.6.0