World War I

Austria-Hungary declared war on Serbia

Jun 28, 1914

Serbian man assassinated Archduke Franz Fernand, who was in line to be king of Austria-Hungary. It was the World War two began when Austria-Hungary declarided war on Serbia. alliances of Serbia (France, Belgium, Russia, and Great Britaian) formed the allied powers and fought against the Central powers which consisted of allies of Austria-Hungary ( Germany,Bulgaria, and the Ottoman Empire)

Battle of Marne

Sep 6, 1914

This was a Allied power victory and pushed the German army back.

German submarine sinks British ocean liner

May 7, 1915

German submarine sank a British ocean liner named Lusitania 128 American civilians died

Battle of Somme

Jul 1, 1916

Goal was to take the Pressure of French troops. Neither side really won this battle althought the french gained some land bothe sides suffered many casualties. The British and French lost 620,000 men and the Germans lost 500,00 men.

Zimmerman Telegram discoverd

Feb 1, 1917

The Zimmerman Telegram was discovered. Germany was bribing Mexico to join the war and in return Germany would help Mexico take a bunch of Southwestern states back from the U.S

U.S enters war

Apr 6, 1917

U.S enetered the war on the side of the Allied powers.

Battle of Argonne

Sep 26, 1918

Turning point of the war. Under command of General Foch allies began to make slow but steady progress

Cease-Fire

Nov 11, 1918

Germans Agreed to cease-fire

Treaty of Versailles

Jun 28, 1919

The Treaty of Versailles made Germany accept blame for the war and pay the Allies 33 billion dollars in war reparations.