History Of The INTERNET! By thealex Jan 1, 1962 Foundation Of Packet Networks Invented Wiki Page On History Jun 1, 1969 Foundations for the ARPANET finished Wiki Page Jan 1, 1973 Robert Kahn developed the first description of the now widely used TCP protocols Transmisson Control Protocol Wikipedia Page Jan 1, 1981 Collection of X.25-based networks grows Wiki Page Jan 1, 1983 TCP/IP protocols became the only approved protocol on the ARPANET, replacing the earlier NCP protocol. History Of TCP/IP In Internet This actual date Was January 1st, Thats not a placeholder. Jan 1, 1989 The first commercial dialup ISP in the United States was The World, opened in 1989. Commercial Internet Jan 1, 1990 ARPANET overtaken and replaced by newer networking technologies. Shuts Down 3rd Paragraph Jan 1, 1994 Growing public interest in the previously academic, Internet. End of 2nd Last Paragraph Jan 1, 1996 Usage of the word Internet had become commonplace End of 2nd Last Paragraph Mar 1, 2006 Twitter Is Launched Halfway Down The Page Jun 30, 2009 The estimated population of Internet users is 1.67 billion Last Sentance Jul 21, 2010 Alex Maclean Creates Timeline For More Information Click Now. Jul 22, 2010 Alex Maclean Fixes Spelling Of Timeline