History of the Internet By tug38392 1959 Strachey and McCarthy present proposal for time sharing. 1961 Leonard Kleinrock presents first paper on the packet switching theory. 1964 Paul Baren's publishes, On Distributed Communications. 1967 Derek Barber and his team at the National Physical Laboratory (NPL) develop Mark I. 1968 The Interface Message Processor (IMP) is released by Bolt Beranek and Newman (BBN) 1969 First node installed at UCLA 1969 First four nodes form the ARPANET. 1969 Steve Crocker invents the Request for Comments (RFC) to share notes with other networks. 1970 Lawrence Roberts and Barry Wessler publish "Computer Network Development to Achieve Resource Sharing" 1972 Ray Tomlinson invents electronic mail. 1973 Bob Metcalfe invents the Ethernet, which allowed multiple computers to work at once. 1973 The Mark II succeeds the Mark I with a faster computer and new software with the help of Donald Davies. 1981 Lawrence Landweber helps launches the Computer Science Network (CSNET) 1982 Transmission Control Protocol (TCP) and Information Protocol (IP) were invented to efficiently address and convert packets. 1983 The Domain Name System is created to organize the websites in the World Wide Web. 1985 The NSFNET replaces the ARPANET, which was faster and more advanced. 1991 CERN diversifies the Internet by creating the World Wide Web. 1994 Marc Andreeson releases the browser Netscape. 2001 The first free online encyclopedia, Wikipedia, is released. 2004 A group of Harvard students releases the social media site, Facebook, to young adults.