Leonardo da Vinci was dyslexic, and he often wrote backwards.
77
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
A monk had once written over a book that contained information about calculus that was written by Archimedes in ancient Greece that could have made us 100 or even 1000 years more mathematically and technologically advanced.
13
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
The Mint once considered producing doughnut-shaped coins!
60
The range of a medieval long-bow is 220 yards.
78
No one knows how many people died during the sinking of the Titanic.
11