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 away in part because of his spending habits, a claim Wales denied. Then-chairperson of the foundation Florence Devouard and former foundation interim Executive Director Brad Patrick denied any wrongdoing by Wales or the foundation, saying that Wales accounted for every expense and that, for items for which he lacked receipts, he paid out of his own pocket; in private, Devouard upbraided Wales for "constantly trying to rewrite the past". Later in March 2008, it was claimed by Jeffrey Vernon Merkey that Wales had edited Merkey's Wikipedia entry to make it more favorable in return for donations to the Wikimedia Foundation,