First World War

1. The First World War brought about the first need for mass-produced ____ masks.
4. The Bolsheviks seized power in the Russian ____ Revolution.
5. Bosnian Serb named Gavrilo ____ assassinated Archduke Franz Ferdinand.
9. The German army successfully used poison gas for the first time against Allied troops at the Second Battle of ____.
10. Before World War II, the events of 1914–1918 were generally known as the ____ War.
11. The ____ of Nations was established to maintain world peace.
14. The anniversary of the ____ landings, 25 April, is known as Anzac Day.
15. Armistice of 11 ____ 1918 ended the First World War.
16. Facing revolution in Germany, ____ Wilhelm II abdicated.
17. The Arab ____ was the uprising of Arabs against the Ottoman Empire.

2. One million men were either wounded or killed in the Battle of ____, making it one of the deadliest battles in all of human history.
3. Red ____ flowers represent consolation, remembrance and death.
6. The ____ campaign comprised armed conflicts between the Russian Empire and the Ottoman Empire.
7. First World War was a global conflict between two coalitions: the Allies (or Entente) and the ____ Powers.
8. The Treaty of ____ was a peace treaty signed on 28 June 1919.
12. Which city Peace Conference of 1919–1920 was held in?
13. In April 1917, the ____ States entered the war on the Allied side.