Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Wikipedia is a free multilingual online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and using a wiki-based editing system called MediaWiki. Wikipedia is the largest and most-read reference work in history.
The English Wikipedia is, with the Simple English Wikipedia, one of two English-language editions of Wikipedia, an online encyclopedia. It was founded on January 15, 2001, as Wikipedia's first edition, and, as of June 2, 2023, has the most articles of any edition, at 6,663,175. 
Wikipedia(pronunciation (help·info)) is a freeonline encyclopediawebsitein 333 languagesof the world, 322 languages which are currently active and 11 are closed. People can freely use it, share it, and change it, without having to pay. It is also one of the biggest wikiorganizations.
Wikipedia, free Internet-based encyclopaedia, started in 2001, that operates under an open-source management style. It is overseen by the nonprofit Wikimedia Foundation. Wikipedia uses a collaborative software known as wiki that facilitates the creation and development of articles.