Log in as admin Open the user menu Select the calendar Confirm you do not see secondary navigation below the calendar header Click on the 'New event' button Create an event for the current date Inspect the event in the browser's inspector Note the value of the 'data-event-id' against the anchor. Click on the 'Import or export calendars' link Confirm you do not see the secondary navigation Click the 'Import calendar' button Confirm you do not see the secondary navigation Click on the 'Import or export calendars' link in the breadcrumbs Click on the 'Export calendar' button Confirm you do not see the secondary navigation Go to the {site root}/calendar/event.php page by manually entering it into the address bar. Confirm you do not see the secondary navigation Go to the {site root}/calendar/delete.php?id=xxx ( Replace xxx with the id from #8 ) page by manually entering it into the address bar. Confirm you do not see the secondary navigation