update en-US

lib/locales/en-US/translation.json

@@ -308,7 +308,7 @@
         "User management": "User management",
         "invite_users": "Invite new users",
         "external_account": "External account management",
-        "user_list": "List of users" 
-         
+        "user_list": "List of users",
+        "Date created": "Date created"
       }
 }