Board Thread:General Discussion/@comment-26897822-20151231031215/@comment-1757994-20151231235312

A "wikia" is Wikia's (illiterate imo) name for a Wikia wiki. Therefore the first "wikia" would probably be the first wiki on Wikia back when Wikia was called Wikicities in 2004.

The first Internet wiki was WikiWikiWeb in 1994.