During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
During World War 1, Harry Houdini took 1 year off performing to help sell war bonds and teach american soldiers how to escape from German handcuffs.
34
English sailors were referred to as "limeys" because sailors added lime juice to their diet to combat scurvy.
69
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
The native Americans planted three sisters (corn, beans, and squash) together so that they would benefit each other. The corn provides a structure for the beans to climb. The beans provide the nitrogen to the soil, and the squash spreads along the ground preventing weeds.
30
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
Ancient Greeks believed that redheads turned into vampires after they died.
40
Leonardo da Vinci could write with one hand and draw with the other at the same time.
56