1. How many prisoners were actually being held in the Bastille when it was stormed in 1789?

2. Which Enlightenment philosopher's ideas on 'natural rights' most heavily influenced the drafting of the Declaration of Independence?

3. Which U.S. President described the attack on Pearl Harbor as a 'date which will live in infamy'?

4. How many permanent members with veto power are on the United Nations Security Council?

5. According to Einstein's General Relativity, what is the fundamental cause of gravity?

6. What was the name of the bathyscaphe used to reach the Challenger Deep in 1960?

7. In which year was the wreck of the RMS Titanic finally discovered?

8. What makes Michelangelo's 'David' unique compared to earlier Renaissance versions of the same subject?

9. What astronomical observation by Galileo proved that not everything in the universe revolved around the Earth?

10. Which island was ceded to the British 'in perpetuity' following the First Opium War?

11. In which theater was President Abraham Lincoln shot in 1865?

12. What famous metaphor did Adam Smith use to describe how self-regulating markets function?

13. What was the unintended social consequence of the invention of the cotton gin in the American South?

14. What was the name of the Athenian leader often called the 'Father of Democracy'?

15. What is the traditional name for the day Julius Caesar was assassinated?

16. What is the name of the only confirmed Viking archaeological site in North America?

17. What was the name of the spacecraft that carried Yuri Gagarin into orbit?

18. By what method was King Louis XVI executed in 1793?

19. Who was the primary leader of the Haitian Revolution before being captured by French forces in 1802?

20. Which U.S. President described the attack on Pearl Harbor as a 'date which will live in infamy'?