1989
Invention of the world wide web
Born out of the 1960s ARPA project supported by the Pentagon, the Internet began to be used widely by the public in the early 1990s thanks to the development of the world wide web and the Mosaic browser by Tim Berners Lee in 1989. The first web page was published in 1992 on the site of CERN, the European Organization for Nuclear Research. By 2001 half of the United States population had been connected to the Internet. Worldwide, there were a billion Internet users by 2004 and two billion by early 2011.