Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
24
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
In 1958, a nuclear bomb was lost somewhere along the swampy coast of Georgia. Its whereabouts remain a mystery to this day.
29
The life expectancy in 1900 was just 47 years.
49
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