Pages can only be deleted from Wiki-Admins. Deleted pages are, including the versions-history, not visible for normal users and can only be restored by admins. The restoration of deleted pages is very complex, it’s recommended to discuss with another admin before you delete a page.
How to delete a page
Which pages should be deleted?
Every user can trace pages which are nominating to be deleted by using the special pages. The common Wiki-“Gardener” is using following special pages:
Where can I find information about deleted pages?
Restoration of deleted pages
Deleted pages can be restored by a Wiki-Admin by using the Deletion log and clicking “restore” on the specific page. Hereafter you only have to reason why you want to restore and confirm.