You can create an event by cloning an existing event and then modifying it.
To work with events, first click your profile icon to access Settings. On the Settings page, click Customize, then click Events.
Existing events are listed in the Events list. Click 
to filter the list to show enabled events, disabled events, or all events.
- Select an event in the Events list.
- Click
, then click Clone Event. A copy of the event is added to the Events list.
You can now modify the cloned event. For details, see Edit an Event.