History of Wikipedia first portable MediaWiki software went live on 25 January. Bots were introduced, Jimmy Wales confirmed that Wikipedia would never run commercial advertising, and the first sister project (Wiktionary) and first formal Manual of Style were launched. A separate board of directors to supervise the project was proposed and initially discussed at Meta-Wikipedia. The English Wikipedia passed 100,000 articles in 2003, while the next largest edition, the German Wikipedia, passed 10,000. The Wikimedia Foundation was established, and Wikipedia adopted its jigsaw world logo. Mathematical formulae using TeX were reintroduced to the website. The took place in Munich, Germany, in October. The
Wikipedia images disruptively. Obvious vandalism is generally easy to remove from Wikipedia articles; the median time to detect and fix vandalism is a few minutes. However, some vandalism takes much longer to repair. In the Seigenthaler biography incident, an anonymous editor introduced false information into the biography of American political figure John Seigenthaler in May 2005. Seigenthaler was falsely presented as a suspect in the assassination of John F. Kennedy. The article remained uncorrected for four months. Seigenthaler, the founding editorial director of "USA Today" and founder of the Freedom Forum First Amendment Center at Vanderbilt University, called Wikipedia co-founder Jimmy