There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
No one knows who designed the first American Flag.
45
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
It is estimated that there is in excess of 3,000,000,000 bibles been sold throughout the world!
56
Nazi leader Adolf Hitler had only one testicle.
117