To take an oath, ancient Romans put a hand on their testicles
426
"Yo momma" jokes/insults were invented by Shakespeare.
39
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.
19
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Leonardo da Vinci was dyslexic, and he often wrote backwards.
77
Canada's new flag, with its maple leaf design, was unfurled in 1965 in Ottawa!
22
The universally popular Hershey bar was used overseas during World War II as currency.
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