The following events occurred in August 1968:
August 20–21, 1968: Soviet Union and 750,000 Warsaw Pact troops invade Czechoslovakia
Humphrey
Prince Harald marries Sonja Haraldsen
The following events occurred in January 1968:
January 6, 1968: Caltech students protesting rumored cancellation of Star Trek
Gorton
January 22, 1968: Apollo 5's Saturn IB on the launchpad
The USS Pueblo (AGER-2) in October 1967