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Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects:

Founded by Jimmy Wales and Larry Sanger in 2001, Wikipedia has been hosted since 2003 by the Wikimedia Foundation, an American nonprofit organization funded mainly by donations …

The English Wikipedia is the primary [a] English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on January 15, 2001, as …

Look up // in Wiktionary, the free dictionary. The two slashes // may indicate: a comment marker in several programming languages including C, C++, JavaScript and Java the root directory path …

Search the 278,904 articles in the Simple English Wikipedia How to write Simple English pages · Useful pages · Simple talk · Categories · Help Schools Gateway (for users who want to make …

The English-language Wikipedia is celebrating its 25th birthday! Learn how you can take part in the encyclopedia's continued improvement.

Wikipedia is a free online encyclopedia that anyone can edit, and millions already have. Wikipedia's purpose is to benefit readers by presenting information on all branches of knowledge.

Easily explore Wikipedia using the topic links below. You can also search directly using the search bar. All section headers are clickable for quick navigation.