A truly global conflict that began in 1914, World War I was a devastating war that caused over 38 million civilian and military casualties. The war would last until 1918 and involved all of the major countries in Europe and other countries, such as: Canada, the United States and Australia.  Click below to learn more about specific topics related to World War I.

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CAUSES OF WORLD WAR I

​​|Long-term Causes of World War I

|Militarism as a Cause of World War I
|Dreadnought of World War I
​​|Empires of Europe in 1914
|Naval Race Before World War I

|Alliance Systems Before World War I
|Triple Alliance & World War I
|Triple Entente & World War I

|Imperialism as a Cause of World War I
​|First Moroccan Crisis
|Second Moroccan Crisis

|Nationalism as a Cause of World War I
|Balkan Crisis Before World War I
|Balkan Powder Keg & World War I
|Bosnian Crisis of 1908
|First Balkan War
|Second Balkan War
|Black Hand & World War I
​|Pan-Slavism in World War I

|Assassination of Franz Ferdinand
|Austria-Hungary Delivers Ultimatum to Serbia
|July Crisis of World War I

COMBATANTS OF WORLD WAR I

​|Allied Powers of World War I
​|Central Powers of World War I
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BATTLES OF WORLD WAR I

​|Western Front
​|Battle of Amiens
|Battle of Passchendaele
​|Battle of the Somme
​|Battle of Verdun
​|Battle of Vimy Ridge
|First Battle of the Marne
​​|Second Battle of Ypres
​|​Schlieffen Plan

​|Eastern Front
​​|Battle of Tannenburg​

|Gallipoli Campaign

UNITED STATES IN WORLD WAR I

|United States in World War I​
​|American Women in World War I
|Why did the USA Join World War I?
|United States Home Front in World War I
|Woodrow Wilson
​|Woodrow Wilson's Fourteen Points​
|Zimmerman Telegram & USA Entry into World War I
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WEAPONS OF WORLD WAR I

​​|Weapons of World War I
|Airplanes in World War I
​|Machine Guns in World War I
​|Poisonous Gas in World War I
​|Propaganda of World War I
​|Submarines in World War I
|Tanks in World War I​

LIFE OF SOLDIERS IN WORLD WAR I

​​|Shell Shock in World War I
​|Excitement for World War I​
​​|Life in the Trenches of World War I
​|"In Flanders Field's" Poem
​|"Dulce et Decorum Est" Poem
​​|Christmas Truce of 1914
​​|Home Front of World War I

PEOPLE OF WORLD WAR I

|Leaders of World War I
​|Franz Ferdinand
​|Gavrilo Princip
​|Red Baron
​|Vladimir Lenin
​​|Woodrow Wilson

OUTCOMES OF WORLD WAR I

​|Treaty of Versailles​
​|Significance of World War I
​​​|Why did Germany Lose World War I?

RELATED TOPICS

|Flu Pandemic of 1918 (Spanish Flu)​
|Russian Revolution
​|World War II
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TEACHING RESOURCES & LESSONS

World War I Causes - PowerPoint with Cloze Notes (5 Causes!)

World War I Weapons - Reading, Questions and Key (Gas, Tank, Plane, etc)

World War I Life in the Trenches - Reading, Questions and Key (13 Pages!)

World War I Causes - Reading, Questions, Chart and Key (21 Pages/5 Causes)

World War I Weapons - PowerPoint with Cloze Notes (Tank, Plane, Gas, etc)