Citizendium mainpage in 2010-12-21
The Citizendium is a wiki-based on-line encyclopedia that constantly "pursuits [sic] the highest standards of writing, reliability, and comprehensiveness".
The latest complete dump was created on 2012-08-09 and is available on the Internet Archive.
April 2011 dump
- Dumps available (but only the last version of the page, not the whole history): http://en.citizendium.org/wiki/CZ:Downloads