Grenades were invented in China over 1,000 years ago.
50
Ancient Romans at one time used human urine as an ingredient in their toothpaste.
37
Vikings used the skulls of their enemies as drinking vessels.
169
Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
32