Account administrators have permission to delete or archive any events.

Log in to

At the top of your personal dashboard, click on the name of the account.

You will then see a list of the events for which you are account admininstrator.

Scroll down to the event you wish to delete / archive. If you click 'Archive', it will be removed from the list but still exist on the system and can be restored at a later date. 

Clicking the bin icon will remove the event completely and permanently, along with all data.

For archived events, click on the 'Archived events' link at the bottom of the page.

If you wish to restore an archived event to the list of events,  click 'Unarchive'.