There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
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In 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
To take an oath, ancient Romans put a hand on their testicles
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The site where the Parthenon was built had to be cleared of hundreds of dinosaur bones (then called giants' bones) before construction could begin.
13
The first ever patent in the UK was Aaron Rathbone & Roger Burges, Map makers in 1618!
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