<P> With the role of the network reduced to the bare minimum , it became possible to join almost any networks together , no matter what their characteristics were , thereby solving Kahn 's initial problem . DARPA agreed to fund development of prototype software , and after several years of work , the first demonstration of a gateway between the Packet Radio network in the SF Bay area and the ARPANET was conducted by the Stanford Research Institute . On November 22 , 1977 a three network demonstration was conducted including the ARPANET , the SRI 's Packet Radio Van on the Packet Radio Network and the Atlantic Packet Satellite network . </P>
when was the first time the internet was used
November 22 , 1977