Which event did NOT happen during Richard Nixon's presidency?
A. The first man landed on the moon.
B. The "Pentagon Papers" were published.
C. A group of people broke into the Democratic headquarters at the Watergate Hotel.
D. The Cuban Missile Crisis occurred.
It would be that "D. The Cuban Missile Crisis occurred" that did not happen during Richard Nixon's presidency, since in fact this happened during the term of JFK.