John Hinckley Jr., President Reagan’s failed assassin, pleaded “not guilty” due to not being mentally sound at trial.
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King Edward I of England fought the Scots to punish King John Balliol for not being an ally against France with England.
The Australian Labor Party led the world's first Labor Government.
NASA launched the Explorer 11 satellite atop a Juno II rocket from Cape Canaveral, Florida.
Britain implemented a Tea Act against its American colonies.
Pripyat and surrounding areas were evacuated due to the Chernobyl disaster.
