November 28, 2021
Wikipedia (in English and many other languages Wikipedia) is a multilingual online encyclopedia created and maintained as an open collaboration project with free (open) content, created by volunteer contributors from around the world. It uses a wiki content management system and is the largest and most popular general reference work on the World Wide Web; According to Alexa Internet service from June 2019, it is one of the most popular websites ever. It contains exclusively free content and does not contain any commercial advertisements. Wikipedia is owned and supported, like other interconnected projects, by the Wikimedia Foundation, a non-profit organization that is funded primarily through donations. Wikipedia was launched on January 15, 2001 by Jimmy Wales and Larry Sanger. Her name was suggested by Larry Sanger, as a combination of the words "wiki" (Hawaiian word for "fast") and "encyclopedia". Initially, only the English language version worked, but soon other language versions emerged. The Czech version was launched on May 3, 2002. In total, Wikipedia contained more than 55.5 million articles in more than 300 different languages in January 2021, and in February 2014 it reached 18 billion page views and almost 500 million unique visitors per month. .wiki, which means that a new article can be inserted and any article can be changed (whether you just correct a typo, correct a factual error, significantly expand the article or completely rewrite it) almost anyone with access to the site. One of the basic rules enforced by users is the so-called unbiased point of view - articles must present impartially all the essential views on the topic, without pretending to be the only objective truth. The requirement for data verifiability in the articles is applied in particular to controversial data and topics.