The Paley Center for Media reminds us that on this day in 1969 at 2230 PST, the first link was turned up between UCLAs Sigma 7 and SRIs 940.
A photo of the laboratory logbook is included in the Wikipedia article: en.m.wikipedia.org/wiki/ARPANET Cheers, - jra -- Sent from my Android phone with K-9 Mail. Please excuse my brevity.