The first commercial single-chip microprocessor, the 4004, is released by Intel.

The Schweizer Eidgenossenschaft ambushes the army of Leopold I during Battle of Morgarten

The revival of the modern Olympic Games starts in Athens, Greece.

The Soviet submarine K-19 collides with the American submarine USS Gato.

The Battle of Guadalcanal ends in a decisive Allied victory during  World War 2