The History of the Internet highlights…
1962: Dr. Licklider goes to Washington
1966: Bob Taylor has too many terminals on his desk
1969: ARPANET begins (also Woodstock, Apollo 11)
1972: ARPANET and ALOHANET interconnect
1973: Metcalf/Boggs develop Ethernet from Alohanet
1974: Cerf/Kahn publish TCP/IP specification
1977: TCP/IP demo: ARPANET, SATNET, PRNET, Ethernet