Republican Party in Detroit nominated Ronald Reagan for US president.
Source
Adolf Hitler planned to invade Britain under the guise name 'Operation Sealion.'
Oklahoma City, USA, installed the world's first parking meter.
NASA launched Apollo 11 from the Kennedy Space Center.
The opera 'Die Entführung aus dem Serail' by Wolfgang Amadeus Mozart premiered in Vienna, Austria.
Martin Luther had a public debate with theologian Johann Eck at Pleissenburg Castle in Leipzig.