Causes
Conflicts
Weapons & Technology
Casualties & War Crimes
Aftermath
100

The June 28, 1914 killing of this Austro‑Hungarian heir by a Serbian nationalist served as the immediate spark for World War I.

Who was Archduke Franz Ferdinand?

100

What were the two opposing alliances in World War 1?

What were the Allied Powers (Triple Entente) and the Central Powers?

100

What disease killed at least 17-25 million people and caused a pandemic?

What was the Spanish flu?

100

When did World War I end with an armistice?

What is November 11, 1918?

200

This belief in building up strong armies and navies helped create a tense European atmosphere where conflict seemed unavoidable.

What is militarism?

200

What were the two revolutions that took place in Russia during 1917?

What was the February Revolution and the October Revolution?

200

What transportation did German use that effectively disrupted Allied naval shipping?

What are submarines?

200

What chemical weapon was used in World War 1 by Germany in 1915?

What is poison gas?

200

What continent's map was redrawn, creating nations such as Poland, Czechoslovakia, and Yugoslavia?

What is Europe?

300

This system of agreements pulled many nations into the conflict.

What are alliances?

300

What was the first major battle in the West?

What was the Siege of Liège?

300

What was the total number of casualties in military and civilian casualties in World War I?

What is 40 million?

300

What countries still continued violent conflict in Eastern Europe despite the armistice?

What is Eastern Europe, the Middle East, and Turkey?

400

European competition for colonies, resources, and markets in Africa and Asia is known by this term.

What is imperialism?

400

What was a major German victory on the Eastern Front against Russia in 1914?

What is Battle of Tannenberg?

400

What was the systematic destruction of the Armenian people in the Ottoman Empire?

What was the Armenian Genocide?

400

What organization was established to prevent future conflicts, but failed to maintain long-term global stability?

What is the League of Nations?

500

This powerful force, especially strong in the Balkans, fueled desires for independence and contributed to instability before WWI.

What is nationalism?

500

What battle led to the combination of over 1 million casualties?

What was the Battle of the Somme?

500

What was the term used for deployed men who sustained gruesome facial injuries because of the war?

What are gueules cassées?

500

What monetary system did some people wish for to come back despite opinions that it would hurt their economies?

What is the gold standard?