The Soviet space probe Luna 3 transmits the first photographs of the far side of the moon. The photos generate great interest, and scientists are surprised to see mountainous terrain, very different from the near side, and only two seas, which the Soviets name Mare Moscovrae (Sea of Moscow) and Mare Desiderii (Sea of Desire).

LSD, which was originally synthesized by a Swiss doctor and was later secretly used by the CIA on military personnel, prostitutes, the mentally ill, and members of the general public in a project code named MKULTRA, is designated a controlled substance in the United States.

A six month strike by Hollywood set decorators becomes a riot at the gates of Warner Brothers Studios when strikers and replacement workers clash. The event helps bring about the passage of the Taft-Hartley Act, which, among other things, prohibits unions from contributing to political campaigns and requires union leaders to affirm they are not supporters of the Communist Party.