One of the world’s most important medieval castles, Krak des Chevaliers, was conquered by Sultan Baibars.
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The first idea of a fire escape was patented.
Democratic Senator Bernie Sanders dropped out of the race for US president.
Clint Eastwood was elected as Mayor of Carmel, California.
Roman Emperor Caracalla was stabbed to death by a guard while urinating.
Researchers discovered that as many as 600 million birds die in the US every year after flying into skyscrapers.
