Ancient Romans at one time used human urine as an ingredient in their toothpaste.
37
Clocks made before 1660 had only one hand - an hour hand.
41
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Nazi leader Adolf Hitler had only one testicle.
117
The ancient Egyptians thought the function of the brain was to produce snot.
16
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
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Early Romans used to use porcupine quills as toothpicks.
27