Category:Hidden categories

The categories that a page is in are normally listed at the bottom of the page. In MediaWiki 1.13+, a category can be hidden from this list by adding the magic word __HIDDENCAT__ to the category page. Users can choose to see hidden categories in a separate "Hidden categories" list, by checking "Show hidden categories" in the "Appearance" section of Special:Preferences. Hidden categories are automatically added to this category. Learn more about hidden categories.