World War I

Archduke Killed

Jun 28, 1914

Archduke Franz Ferdinand was killed by Gavrilo Princip in 1914.

Austria-Hungary declares war on Serbia

Jul 28, 1914

The effect of the assassination of Archduke Franz Ferdinand caused Austria-Hungary to declare war on Serbia.

First use of gas as a weapon by the Germans

1915

The use of Gas as a weapon killed thousands of American solders as well as others.

Sinking of the Lusitania

May 7, 1915

The sinking of the Lusitania made Americans get mad and this was a reason that caused WWl.

Wilson reelected; pledged American neutrality

1916

Wilson got reelected because he wanted American neutrality during the war.

Bolsheviks led by Lenin overthrow Russian goverment

1917

The Bolshevik overthrew the goverment led by Alexander Kerenky.

U.S declares war

1917

The U.S declared war against Germany in April, 1917. This declaration of war effected Germany a lot and later on Germany surrendered.

Zimmerman Note

1917

Arthur Zimmermann, a german government employee, sends a telegram to the German Embassy in Mexico. In this telegram he encourages the Mexican government to invade the southern border of the United States. His idea is to distract America from the European affairs. The British intercept the telegram and inform President Wilson . At first the American people feel this is just British propaganda. Those opinions change and Wilson asks congress for a declaration of war against Germany.

War ends

1918

When the war ended everyone was happy! Germany surrendered and the Allies made them leave.

Treaty of Versailles

Jun 28, 1919

The Treaty of Versailles was one of the most important peace treaty's that brought WWl to an end. It ended war because it ended war between Germany and the Allied powers.