The history of the IP protocol is very interesting; its roots are within the ARPANET Project. The very first nodes that were actually networked together was back in 1969 using the Interface Message Processor. It connected four devices from Los Angeles, California to Santa Barbara, California and the University of Utah.
It was not until 1970-1979 that the Key Internet Protocols were implemented. Professor Peter Kirstein of University College London was the first to start the European ARPANET device using IP transatlantic connectivity .
It wasn't until 1973 that the TCP/IP protocol began its development. This new protocol allowed the elements of a very diverse network to be able to interconnect and have communications with each other. It was not for another year, 1974, that the term internet was used for the first time, in Vint Cerf and Robert Kahn, A Protocol...