Wikipedia is a free online ... account and create a page about anything, even themselves. Here's everything else you should know before you start using the online encyclopedia.

Wikipedia, which launched in 2001 is a free online encyclopedia run by the nonprofit Wikimedia Foundation ... to the “Notes” and “References” sections of the Wikipedia page. Here they can find out who ...

Wikipedia defined itself on its web page titled "History of Wikipedia." It is, reads the page, "a free-content online encyclopedia written and maintained by a community of volunteers, began with ...