ARPANET - 4 nodes december 1969
Bronnen:
Historical Maps of Computer Networks A range of the historical maps of ARPANET, the Internet, Usenet, and other computer networks, tracing how these pioneering networks grew and developed. http://personalpages.manchester.ac.uk/staff/m.dodge/cybergeography/atlas/historical.html
The Computer Museum's Timeline: http://www.computerhistory.org/timeline/?category=net