President Richard Nixon died of a stroke at the age of 81.
Source
Edward & Sarah Bishop and seven others were examined by Magistrates in Salem, Massachusetts, for witchcraft.
The US Congress passed legislation that allowed the 'In God We Trust' inscription on the currency.
The German army used chlorine gas for the first time.
Spain and Portugal signed the Treaty of Saragossa.
Pyotr Ilyich Tchaikovsky composed his 'Swan Lake' ballet.