1. The symbol of the United States Marine Corps includes a globe and anchor.

2. Alaska became the 50th U.S. state in 1949.

3. The island nation of American Samoa has its own constitution separate from that of the United States.

4. John Adams said that the Boston Massacre was the fault of a man named Crispus Attucks.

5. The only victim of the Boston Massacre who is remembered today is John Adams.

6. No U.S. senator has ever been expelled from office.

7. The "Scopes monkey trial" concerned evolution.

8. No amendment to the U.S. Constitution has ever been repealed.

9. Alaska is the only American state to have been ruled by a king.

10. In 1950, there was only one city with a population of 10 million.