Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
High Heels were originally made for men in the 16th century.
78
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
India invented the Number System. Zero was invented by Aryabhatta.
59
Clocks made before 1660 had only one hand - an hour hand.
41
Leonardo da Vinci was dyslexic, and he often wrote backwards.
77
Kung Fu actually originated in India, but was developed further in China.
90