There are six times as many people of Irish descent living in America than in Ireland.
15
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
The United States does not have an official language.
88
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
Seven U.S. states are named after sovereigns - four kings and three queens.
5
The first female self-made millionaire in America was a black woman.
4