October 28, 2021
The Wikimedia Foundation Inc. is a non-governmental and non-profit organization, a sponsor of collaborative projects in various languages, including: Wikipedia, Wiktionary, Wikiquote, Wikibooks (including the WikiNior project), Wikiversity, Wikisource, Wikimedia Commons, Wikisource, Wikinews and Meta-wiki. Its headquarters were in St. Petersburg, Florida, and since 2007 it has been in San Francisco. Its existence was officially announced by the co-founder of Wikipedia, Jimmy Wales, on June 20, 2003, who until then had maintained Wikipedia from his company Bomis. In a letter from the Internal Revenue Service, it was approved as an educational endowment in the Adult, Continuing Education category in April 2005, meaning that all donations to the Wikimedia Foundation are tax-exempt. profit in the US.