Once you have created your first event go to the Events tab on the left-hand side menu
Under the event you wish to duplicate, click the Edit Details drop down box and select List Similar.
In the past tab, you can also find the List Similar button under the previous event.
Modify relevant event details and then submit your event for approval. Ensure to check event and ticket type details. Please note that List Similar will choose the same ticketing details as the previous listing. Some information such as user roles does not get carried across to the new event.