15 Jan 2001 Jahr - Wikipedia is launched

Beschreibung:

Wikipedia is a free, web-based, collaborative, multilingual encyclopedia project. Launched on 15th January 2001, it went on to become the largest and by far the most popular general reference work on the Internet. By 2011, more than 18 million articles (3.7 million in English) had been written by volunteers from around the world.

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