Wikipedia Wikipedia Wikipedia (, ) is a multilingual, web-based, free encyclopedia based on a model of openly editable and viewable content, a wiki. It is the largest and most popular general reference work on the World Wide Web, and is one of the most popular websites by Alexa rank. It is owned and supported by the Wikimedia Foundation, a non-profit organization that operates on money it receives from donors. Wikipedia was launched on January 15, 2001, by Jimmy Wales and Larry Sanger. Sanger coined its name, as a portmanteau of "wiki" and "encyclo"pedia"". Initially an English-language encyclopedia, versions in other languages
Jimmy Wales 2001 by "The New York Times" and as founders in Wikipedia's first press release in January 2002. In August of that year, Wales identified himself as "co-founder" of Wikipedia. Sanger assembled on his personal webpage an assortment of links that appear to confirm the status of Sanger and Wales as co-founders. For example, Sanger and Wales are historically cited or described in early news citations and press releases as co-founders. Wales was quoted by "The Boston Globe" as calling Sanger's claim "preposterous" in February 2006, and called "the whole debate" "silly" in an April 2009 interview. In late 2005, Wales