A singing birthday card has more computing power than the allied forces in 1945.
30
No one knows who designed the first American Flag.
45
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
During World War 1, Harry Houdini took 1 year off performing to help sell war bonds and teach american soldiers how to escape from German handcuffs.
34
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
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40