Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
19
The ancient Egyptians thought the function of the brain was to produce snot.
16
Napoleon constructed his battle plans in a sandbox.
573
The universally popular Hershey bar was used overseas during World War II as currency.
112
The last time American Green cards were actually green was 1964.
60
In the great fire of London, in 1666, half of London was burnt down but only 6 people were injured.
78