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

2. Which countries were part of the Axis Powers in World War II?

3. Which type of gas was used by the German army for the first time at the Second Battle of Ypres?

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

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

6. What was the military code name for the evacuation of Dunkirk?

7. Which major type of American naval vessel was not present at Pearl Harbor during the attack?

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

9. In which mountainous region was the Battle of the Bulge fought?

10. What is the name of the mountain on Iwo Jima where the iconic flag-raising took place?

11. What does the Japanese word 'Kamikaze' literally mean?

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

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

14. What was the confirmed kill count of the famous Soviet sniper Lyudmila Pavlichenko?

15. Who was the leader of the 'Free French' forces and the symbolic head of the Resistance?

16. Finnish soldiers named the 'Molotov Cocktail' after which country's Foreign Minister?

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

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

19. Who chaired the UN committee that drafted the Universal Declaration of Human Rights?

20. In what year did the Japanese 'holdout' soldier Hiroo Onoda finally surrender?