In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
During the 1600's, boys and girls in England wore dresses until they were about seven years old.
63
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
13
India invented the Number System. Zero was invented by Aryabhatta.
59
In Ancient Greece, if a woman watched even one Olympic event, she was executed.
40