diff --git a/EVENTS.txt b/EVENTS.txt
index 2f33b2d5d5..5edf59245a 100644
--- a/EVENTS.txt
+++ b/EVENTS.txt
@@ -99,3 +99,7 @@ StartPublicGroupNav: Showing the public group nav menu
 
 EndPublicGroupNav: At the end of the public group nav menu
 - $action: the current action
+
+RouterInitialized: After the router instance has been initialized
+- $m: the Net_URL_Mapper that has just been set up
+
diff --git a/lib/router.php b/lib/router.php
index 4b70c01505..d4a4d2ca93 100644
--- a/lib/router.php
+++ b/lib/router.php
@@ -393,6 +393,8 @@ class Router
                     array('action' => 'showstream'),
                     array('nickname' => '[a-zA-Z0-9]{1,64}'));
 
+        Event::handle('RouterInitialized', array($m));
+
         return $m;
     }