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

2. What type of German vessel was responsible for sinking the Lusitania?

3. Which French general became a national hero for his defense of Verdun?

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

5. What does the German military term 'Blitzkrieg' literally translate to in English?

6. Which technological advancement was crucial in helping the RAF track and intercept German aircraft?

7. What was the nickname of the German General Erwin Rommel, who led the Axis forces in North Africa?

8. In which city did Nazi officials meet in 1942 to coordinate the 'Final Solution'?

9. Which of the five Normandy landing beaches saw the most intense fighting and highest American casualties?

10. Who was the lead mathematician at Bletchley Park credited with cracking the Enigma code?

11. Who were the 'Big Three' leaders who met at the Yalta Conference?

12. Which Allied nation's army was responsible for the final capture of Berlin in 1945?

13. What was the name of the B-29 bomber that dropped the atomic bomb on Hiroshima?

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

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

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

17. What was the record time set for the assembly of a single Liberty Ship?

18. What was the primary goal of the 'Tokyo Rose' radio broadcasts?

19. Which nation was responsible for the Katyn Massacre of Polish officers?

20. Which war saw the first actual combat use of a helicopter?