diff --git a/sites/all/modules/timeline/classes/TimelineEvent.class.inc b/sites/all/modules/timeline/classes/TimelineEvent.class.inc
index c014f69..882ca68 100644
--- a/sites/all/modules/timeline/classes/TimelineEvent.class.inc
+++ b/sites/all/modules/timeline/classes/TimelineEvent.class.inc
@@ -68,8 +68,12 @@ class TimelineEvent {
 
         // for better theming we give all grouped events the value of the grouping field
         $data['classname'] = $this->css_selector;
+
         $data['description'] = $this->view->style_plugin->row_plugin->render($row);
 
+        // allow modules to alter the data of a specific event
+        drupal_alter('timeline_event', $data, $row);
+
         return $data;
       }
     }