Hawaii recorded its hottest day ever at 100°F.
Source
Heinrich Himmler ordered the construction of the Auschwitz Concentration Camp.
John Hinckley Jr., President Reagan's failed assassin, pleaded 'not guilty' due to not being mentally sound at trial.
The Airbus A380 passenger airliner successfully underwent its maiden flight.
NASA launched the Explorer 11 satellite atop a Juno II rocket from Cape Canaveral, Florida.
Babe Ruth Day was commemorated for the first time to celebrate one of baseball's greatest players of all time.
