Grenades were invented in China over 1,000 years ago.
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In 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
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Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
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.
22
The Mint once considered producing doughnut-shaped coins!
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In 1542, French aristocrat Marguerite De La Rocque survived being marooned for 2 years alone on a remote island off the coast of Quebec.
12
Early Romans used to use porcupine quills as toothpicks.
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