Early Romans used to use porcupine quills as toothpicks.
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The Taj Mahal took 20 years and 20 thousand men to finish!
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Pineapples were such a status symbol in 18th century England that you could rent one for the evening to take to a party.
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Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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Recently, archaeologists excavating in the old medieval town of Odense in Denmark uncovered 700-year-old barrels of poop - and, to their surprise, they still smelt.
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