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
In the US, it is legal for women to be publicly topless in 33 states. Male toplessness became legal in 1936.
4
The United States does not have an official language.
88
In the US, there are quite a few cities called Gaylord.
27
Theodore Roosevelt read at least one book every day.
22
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
