Wikipedia
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Wikipedia is a free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki. Founded by Jimmy Wales an
Jimbo at Fosdem cropped
American journalist John Seigenthaler (1927–2014), subject of the Seigenthaler biography incident
Sue Gardner, first executive director, in 2013 at Wikimania
Wikipedia Monument in Słubice, Poland, by Mihran Hakobyan (2014)
Wikipedia community
Videos
The Wikipedia community, collectively and individually known as Wikipedians, is an online community of volunteers who create and maintain Wikipedia, an online encyclopedia. Wikipedians may or may not
Wikipedia
…Wikipedia is a free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki. Founded by Jimmy Wales and Larry Sanger in 2001, Wikipedia has been hosted since 2003 by…
Wikimania 2026 group photograph at Cité des Sciences et de l'Industrie in Paris, France
Wiknic 2011 in Pittsburgh
Wikipedians break for lunch at the 2006 Wikimania
2025 Youth Conference, held in Prague