Wikipedia jan 15 year 2001 (English)

The domains wikipedia.com (later redirecting to wikipedia.org) and wikipedia.org were registered on January 12, 2001, and January 13, 2001, respectively. Wikipedia was launched on January 15, 2001 as a single English-language edition at www.wikipedia.com, and was announced by Sanger on the Nupedia mailing list. 

The fundamental principles of the Wikipedia community are embodied in the "Five pillars", while the detailed editorial principles are expressed in numerous policies and guidelines intended to appropriately shape content. The five pillars are:

Wikipedia is an encyclopedia

Wikipedia is written from a neutral point of view

Wikipedia is free content that anyone can use, edit, and distribute

Wikipedia's editors should treat each other with respect and civility

Wikipedia has no firm rules

Anders Dernback made 3 000 slideshows in Power Point and using Wikipedia text.