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Assassination of the Arch duke Franz Ferdinand in Sarajevo
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Austria-Hungary declares war on Serbia, starting WWI
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Period: to
THE WAR OF MOVEMENT
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The Ottoman Empire joins the Central Powers
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Japan adheres to the Triple Entente
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Period: to
TRENCH WARFARE
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Italia joins the Triple Entente (Treaty of London)
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Bulgaria enters the war with the Central Power
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Period: to
The Battle of Verdun
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Period: to
Somme Offensive
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Period: to
THE WARS ENDS
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Germany begins the submarine war
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The United States enters the war
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Russia signs the armistice with the Central Powers
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Wilson pronounces the speech on the 'Fourteen Points'
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Russia signs the Treaty of Brest-Litvosk
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Period: to
Hundred Days Offensive
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Germany signs the armistice. The war is over.
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The Paris Conference
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The Treaty of Versailles with Germany
