World War I

Franz Ferdinand Assassination

Jun 28, 1914

Archduke Franz Ferdinand and his wife were assassinated while visiting Sarajevo, Bosnia. He was 'next in line' for the Austro-Hungarian throne. The killings set off decades old tensions in Europe and started World War I

First use of Gas as a Weapon

Apr 22, 1915

Gas is used to make soldiers choke.

Sinking of the Lusitania

May 7, 1915

The British RMS lusitania is sunk by a British U-Boat

Austria Hungary Starts War World War I

Jul 28, 1915

After Austria Hungarys` Archduke was assassinated Austria Hungary blamed Serbia and declared war on them

President Wilson is realected

Nov 7, 1916

President Woodrow Wilson is realected

Zimmermann note

Jan 15, 1917

Britain deciphered a telegram from German Foreign Minister Arthur Zimmermann to Mexico offering United States territory in return for Mexico joining the German cause.

U.S. declares war

Apr 6, 1917

The United States of America enters the war in Europe.

Russia is overthrown

Nov 15, 1917

Russia is overthrown by Bolsheviks led by Lenin

War ends

Nov 11, 1918

World War 1 ends

Treaty of Versailles

Jun 28, 1919