1. What wall divided East and West Berlin from 1961 to 1989?

2. The Cold War mainly involved which two superpowers?

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

4. Which American president issued the Emancipation Proclamation?

5. Who was the last Western Roman Emperor deposed in 476 AD?

6. Which Ottoman Sultan captured Constantinople in 1453?

7. Columbus's first voyage was funded by which European monarchy?

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

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

10. What does the Russian word 'Sputnik' translate to in English?

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

12. Which extremist group was responsible for the September 11 attacks?

13. In which country did the Arab Spring protests originate?

14. What was the height of Mount Everest confirmed during the mid-20th century?

15. Which treaty officially ended the Seven Years' War in 1763?

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

17. What caused the initial failure of the potato crops during the Great Famine?

18. The legal principle 'an eye for an eye' is most famously associated with which ancient code?

19. What nickname is given to the day of the 1929 Stock Market Crash?

20. In which city was Archduke Franz Ferdinand assassinated?