1. What event triggered the start of World War I in 1914?

2. What was the name of the nationalist group to which the assassin Gavrilo Princip belonged?

3. Which country was Germany attempting to ally with in the Zimmermann Telegram?

4. What was the name of the clause that forced Germany to accept full responsibility for WWI?

5. What puppet state did Japan establish after invading Manchuria in 1931?

6. What was the code name for the Soviet counter-offensive that encircled the German 6th Army at Stalingrad?

7. What new legal category was established during the Nuremberg Trials to prosecute Nazi atrocities?

8. In which American city was the United Nations Charter signed in 1945?

9. By what percentage did penicillin help reduce the death rate of soldiers from bacterial pneumonia compared to WWI?

10. What military designation is widely believed to have given the 'Jeep' its name?

11. What skill was required for women to be recruited as 'Hello Girls' during World War I?

12. What was the name of the German tactical system where groups of submarines attacked Allied convoys together?

13. What was the primary goal of the secret U.S. program 'Operation Paperclip'?

14. What distinctive feature gave the V-1 flying bomb the nickname 'Buzz Bomb'?

15. Which battle is generally considered the largest naval engagement of World War II?

16. What was the main advantage of gliders over paratroopers during the Normandy invasion?

17. What was the highest-level code name for intelligence derived from cracked Enigma messages?

18. Which university was the center of the 'White Rose' resistance group?

19. Which nation suffered the highest total number of deaths during World War II?

20. The establishment of which modern nation was heavily influenced by the aftermath of the Holocaust?