The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
London's Pall Mall became the first street lit by gaslight in 1807!
39
The Mint once considered producing doughnut-shaped coins!
60
When the Egyptians destroyed Libya in the 13th century B.C. they took 13,230 penises of the conquered enemies as trophies.
220