Ancient Romans at one time used human urine as an ingredient in their toothpaste.
37
There are 92 known cases of nuclear bombs lost at sea.
148
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
There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
23
To take an oath, ancient Romans put a hand on their testicles
426
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
In 1980, the city of Detroit presented Saddam Hussein with a key to the city.
29