John Hinckley Jr., President Reagan’s failed assassin, pleaded “not guilty” due to not being mentally sound at trial.
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Pripyat and surrounding areas were evacuated due to the Chernobyl disaster.
Hawaii recorded its hottest day ever at 100°F.
The Australian Labor Party led the world's first Labor Government.
The Airbus A380 passenger airliner successfully underwent its maiden flight.
King Edward I of England fought the Scots to punish King John Balliol for not being an ally against France with England.
