Wikipedia (wiki + encyclopaedia) is a multilingual, web-based encyclopaedia with free content.It is a wiki, which means it is written by numerous volunteers, and most articles can be changed by anyone APPLE CIDER VINEGAR with Internet access and an adequate web browser.The project was started on January 15, Solid 2001.
Wikipedia currently has more than 3 700 000 articles in many languages (including a million articles in English).