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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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
Napoleon Bonaparte thought torture should be abolished because the information obtained from it is worthless.
25
English sailors were referred to as "limeys" because sailors added lime juice to their diet to combat scurvy.
69
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105