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)
Encyclopedia
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An encyclopedia is a reference work or compendium providing summaries of knowledge, either general or special, in a particular field or discipline. Encyclopedias are divided into articles or entries t
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…
A laptop shows a Wikipedia page on "Encyclopedia", beside stacked volumes and an open page of the Encyclopædia Britannica.
Pliny the Elder's Natural History is one of the oldest extant encyclopedias.
The Yongle Encyclopedia is the largest paper encyclopedia of world history
Britannica 15th edition printed encyclopedias, 2002