The last time American Green cards were actually green was 1964.
60
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 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
In the 1830s, a Greek prime minister tried to spread the potato in Greece but people weren't interested so he put armed guards in front of shipments of potatoes so people would think they were important. People then started stealing these potatoes so much that the crop spread to all of Greece.
29
The average life span of a peasant during the medieval ages was 25 years.
68
The original Cinderella was Egyptian and wore fur slippers.
27