Hackernews posts about ARPANET

ARPANET is the first operational packet switching network in the world, developed in the late 1960s and early 1970s by the United States Department of Defense's Advanced Research Projects Agency (ARPA).

Related: SRI  
  1. Arpanet (en.wikipedia.org)
  2. Arpanet News (1973) (archive.org)
  3. IBM/ThinkPad Keyboards List (sharktastica.co.uk)