Seven U.S. states are named after sovereigns - four kings and three queens.
5
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The United States does not have an official language.
88
Abraham Lincoln was a licensed bartender.
259
No president of the United States was an only child for his parents.
51

