In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
28
During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
19
Nazi leader Adolf Hitler had only one testicle.
117
The range of a medieval long-bow is 220 yards.
78
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
