On August 6, 1991, the World Wide Web was officially launched by its father, Tim “NotAlGore” Berners-Lee. He posted a project summary here and the rest is history.
The World Wide Web has its foundation in work that Berners-Lee did in the 1980s at CERN, the European Organization for Nuclear Research. He had been looking for a way for physicists to share information around the world without all using the same types of hardware and software. This culminated in his 1989 paper proposing ‘A large hypertext database with typed links’.
Read the story of how it all went down on TheNextWeb.