events

Wikipedia, a free wiki content encyclopedia, is launched (Wikipedia Day).

Historical image related to Wikipedia, a free wiki content encyclopedia, is launched (Wikipedia Day). from January 15, 2001

Wikipedia

Free online crowdsourced encyclopedia

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…
Source: Wikipedia (CC BY-SA)

Wiki

Type of website edited collaboratively

A wiki is a form of hypertext publication on the internet which is collaboratively edited and managed by its audience directly through a web browser. A typical wiki contains multiple pages that can either be edited by the public or limited to use within an organization for…
Source: Wikipedia (CC BY-SA)

Wikipedia:Wikipedia Day

Celebration of Wikipedia's birthday

Source: Wikipedia (CC BY-SA)

January 15

Day of the year

January 15 is the 15th day of the year in the Gregorian calendar; 350 days remain until the end of the year.
Source: Wikipedia (CC BY-SA)