George IV succeeded his father, George III, as King of the United Kingdom.
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In Rosetta, Egypt, French troops discovered a black stone carved with two ancient Egyptian texts and one Ancient Greek text.
US President Ronald Reagan was made aware that the USSR was stealing US technology and research.
The Great Fire of Rome started when the merchant shops around the Circus Maximus caught fire.
'The Midnight Snack' cartoon was released, making it Tom and Jerry's very first appearance.
Five women were hanged for witchcraft as part of the Salem Witch Trials in Massachusetts, US.