There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
23
Each king in a deck of playing cards represents a great king from history: spades - King David, clubs - Alexander the Great, hearts - Charlemagne, and diamonds - Julius Caesar.
33
Scientists are excavating the ruins of a major civilization which pre-dates both the pyramids and Stonehenge by over 7,000 years. In 15 years, they have uncovered only about 5% of the site.
21
The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
There's no evidence that pirates made people walk the plank.
151
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