The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
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In 1958, a nuclear bomb was lost somewhere along the swampy coast of Georgia. Its whereabouts remain a mystery to this day.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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Two dogs were among the Titanic survivors.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
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Grenades were invented in China over 1,000 years ago.
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