The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
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
Harry S. Truman was the last U.S. President with no college degree.
55
There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
23
When Charles Darwin first discovered the Galapagos Tortoises, he tried to ride them!
18
The life expectancy in 1900 was just 47 years.
49
The last time American Green cards were actually green was 1964.
60

