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
There's no evidence that pirates made people walk the plank.
151
"Yo momma" jokes/insults were invented by Shakespeare.
39
A singing birthday card has more computing power than the allied forces in 1945.
30
Until the nineteenth century, solid blocks of tea were used as money in Siberia.
80
English sailors were referred to as "limeys" because sailors added lime juice to their diet to combat scurvy.
69
The range of a medieval long-bow is 220 yards.
78