This '''FoundedIn20xx''' [[Special:Categories|category]] is for those [[wiki]]s which we are {{tag|Unknown|unable}} to determine their {{tag|Wiki Age|foundation date}}, or have not yet checked said [[WhatIsWiki|wikis]] to establish their year of foundation.
For ;To determine the age of a wiki:*The founder of a wiki probably knows its age.*If they are running [[:Category:MediaWiki|MediaWiki]] wikis (or those using software, there are three ways:**Go to the 'Oldest pages' at <code>/Special:AncientPages</code> for the wiki engines based on and look at the date of the first article (note that it lists pages that haven't been ''edited'' in a long time, not the oldest pages overall).**Go check the date for 'MediaWikidefault' at <code>/Special:Contributions/MediaWiki_default</code> made its first contribution.**View history for a system message (as found in the 'MediaWiki' [[WikiIndex:Namespace Conventions|namespace]] – search in [[Special:PrefixIndex]]), and check when MediaWiki default first edited it.*For [[:Category:Wikia|Wikia]] wikis, the year exact date of foundation can usually founding will be at <code>/Special:WikiStats</code>.**Wikia 'MediaWiki default' is found at <ttcode>/Special:AncientPagesContributions/Default</ttcode>.
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[[Category:Unknown|FoundedIn]]
[[Category:Wiki Age| ]]
