US President Ronald Reagan was made aware that the USSR was stealing US technology and research.
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Five women were hanged for witchcraft as part of the Salem Witch Trials in Massachusetts, US.
The Great Fire of Rome started when the merchant shops around the Circus Maximus caught fire.
George IV succeeded his father, George III, as King of the United Kingdom.
'The Midnight Snack' cartoon was released, making it Tom and Jerry's very first appearance.
NASA's Apollo 11 orbited the moon.