-
Archduke Franz Ferdinand of Austria was assassinated by a Serbian nationalist in Sarajevo, Bosnia.
-
Austria Hungary declares war on Serbia. WWI has begun
-
August 4, 1914, German troops under Erich Ludendorff crossed the border into Belgium, in violation of that country’s neutrality.
-
The First Battle of Marne
-
The First Battle of Ypres
-
The famous Christmas Truce on the Western Front
-
The sinking of the Lusitania by a German torpedo, killing 128 Americans.
-
Battle of Verdun
-
The Battle of the Somme
-
The Zimmerman Telegram was sent from Germany to Mexico, but Americans intercepted it. This was the final straw.
-
US joins Allies
-
The Armenian Genocide was the Ottoman's attempt to exterminate 1.5 million Armenians.
-
The Brest Litovsk Treaty was signed between the Russians and the Germans, for Russian to leave the war.
-
World War I ended in the defeat of the Central Powers in November 1918
-
The Allies and Germany sign the Treaty of Versailles
