Internet has a long history. Internet Idea was starting from 1962. To know the details please visit at http://www.isoc.org/internet/history/brief.shtml & http://en.wikipedia.org/wiki/History_of_the_Internet
The development of what we now call the Internet started in 1957 when the Soviet Union launched Sputnik 1, the first satellite, beating the United States You may read related articles on how the internet started: http://en.wikipedia.org/wiki/History_of_the_Internet http://wiki.answers.com/Q/When_was_the_Internet_invented