Pineapples were such a status symbol in 18th century England that you could rent one for the evening to take to a party.
25
A singing birthday card has more computing power than the allied forces in 1945.
30
In 1799, a boy found a 17lb. rock in a creek in North Carolina and used it as a doorstop. It was actually gold.
34
The universally popular Hershey bar was used overseas during World War II as currency.
112
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
Vikings used the skulls of their enemies as drinking vessels.
169
In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
28

