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Assasination of the Archduke in Serbia.
Archduke Franz Ferdinand heir to the throne of the Austro-Hungarian Empire, and his wife are assassinated in Sarajevo. -
Period: to
World War I
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Declare War
Emperor Franz Joseph of Austria-Hungary declares war on Serbia. -
Submarine blockade.
Germany declares a submarine blockade of Great Britain. Any ship approaching England is considered a legitimate target. -
The sinking of Lusitania.
U-boat sinks the Lusitania. 1,198 civilians, including 128 Americans die. -
US Warns Germany.
US President Wilson publicly warns Germany not to continue unrestricted submarine warfare policies. -
Re-elected
Woodrow Wilson re-elected President of the United States with campaign slogan: "He kept us out of the war." -
Zimmermann's telegram.
Reich Foreign Secretary Zimmermann's telegram to Mexico urging her entry into war against the United States is discovered and translated by the British. -
American Expenitionary Force
The first wave of the American Expeditionary Force lands in France. -
Allied counter offensives.
Allied counter offensives on the Somme push the German army back and into retreat. -
War ends.
At eleven o'clock on the eleventh day of the eleventh month of 1918, the war ends as Germany and Allies sign an Armistice.
