1. What year did the Berlin Wall fall?

2. In which city did the American Revolution’s "Boston Tea Party" take place?

3. Which bacterium is responsible for the bubonic plague known as the Black Death?

4. What document did Martin Luther publish to challenge the Catholic Church in 1517?

5. Whose improvements to the steam engine were vital to the Industrial Revolution?

6. In which city was Archduke Franz Ferdinand assassinated?

7. What nickname is given to the day the stock market crashed in 1929?

8. What was the name of the airplane that dropped the first atomic bomb on Hiroshima?

9. What was the name of the lunar landing site for the Apollo 11 mission?

10. On which island did Nelson Mandela spend 18 of his 27 years in prison?

11. On what specific date in the Roman calendar was Julius Caesar assassinated?

12. Which South American country speaks Portuguese today as a result of the Treaty of Tordesillas?

13. Which Roman city was buried alongside Herculaneum during the 79 AD eruption of Vesuvius?

14. Who was the British archaeologist who discovered King Tut's tomb?

15. Who emerged as the clear leader of the Chinese Communist Party during the Long March?

16. The Panama Canal connects the Atlantic Ocean with which other ocean?

17. What was the name of the network that served as the precursor to the modern internet?

18. What did the Bastille symbolize to the people of Paris in 1789?

19. Which British general led the Allied forces at the Battle of Waterloo?

20. Which archaeologist discovered the ruins of Troy in 1871?