To teh internets!
http://news.bbc.co.uk/1/hi/technology/8331253.stm
Well whether it was invented in the US or UK is always grounds for a healthy debateAt 2100, on 29 October 1969, engineers 400 miles apart at the University of California in Los Angeles (UCLA) and Stanford Research Institute (SRI) prepared to send data between the first nodes of what was then known as Arpanet.