The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
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Originally, Du Pont, Inc. was a tiny gun powder mill in New Jersey.
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Clocks made before 1660 had only one hand - an hour hand.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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In 1980, the city of Detroit presented Saddam Hussein with a key to the city.
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Ancient Romans at one time used human urine as an ingredient in their toothpaste.
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The Titanic is about as long as the Empire State building is tall.
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Queen Elizabeth II served as a mechanic and driver in World War 2.
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