Wikipedia
Wikipedia is a free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki. 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 from readers. Wikipedia is the largest and most-read reference work in history.
Extends: Wikipedia, [2001 establishments in the United States](https://wikipedia.org.ai/2001 establishments in the United States), [Articles containing video clips](https://wikipedia.org.ai/Articles containing video clips), [Creative Commons-licensed websites](https://wikipedia.org.ai/Creative Commons-licensed websites), [Free-content websites](https://wikipedia.org.ai/Free-content websites)
Properties
| Property | Expected Type | Description |
|---|---|---|
| Name | Text | Wikipedia |
| Logo | Text | Wikipedia-logo-v2.svg |
| [Logo Caption](https://wikipedia.org.ai/Logo Caption) | Text | logo of Wikipedia, glyphs, writing systems |
| Screenshot | Text | Wikipedia Portal Screenshot (2022).svg |
| [Screenshot Alt](https://wikipedia.org.ai/Screenshot Alt) | Text | Wikipedia portal showing the different languages sorted by article count |
| Caption | Text | Wikipedia's desktop homepage |
| Headquarters | Text | San Francisco |
| [Country Of Origin](https://wikipedia.org.ai/Country Of Origin) | Text | United States |
| Owner | Text | Wikimedia Foundation |
| Authors | Text | Jimmy Wales · Larry Sanger |
| Url | Text | https://wikipedia.org |
| Commercial | Text | No |
| Registration | Text | Optional |
| [Num Users](https://wikipedia.org.ai/Num Users) | Text | (as of ) |
| [Launch Date](https://wikipedia.org.ai/Launch Date) | Text | January 15, 2001 |
| [Current Status](https://wikipedia.org.ai/Current Status) | Text | Active |
| [Content License](https://wikipedia.org.ai/Content License) | Text | CC Attribution / Share-Alike 4.0 |
| Oclc | Text | 52075003 |
| [Programming Language](https://wikipedia.org.ai/Programming Language) | Text | PHP |