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Assasination of Archduke Ferdinand
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Austria-Hungary declares war on Serbia and Russia.
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Germany declares war on Russia.
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Period: to
World War I
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Germany declares war on France.
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Germany declares war on neutral Belgium
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Britain declares war on Germany and Austria-Hungary
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Canada joins the war
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Turkey enters the war on the side of the Central Powers.
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Germany declares a submarine blockade of Great Britain. Any ship approaching England is considered a legitimate target.
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Henry Ford's peace ship, Oskar II, begins its voyage to Europe.
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President Wilson, publicly calls for the German's to stop their submarine policy of sinking all ships in enemy waters without warning.
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Germany renounces submarine policy.
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Tanks introduced for the first time on the Somme battlefield by the British.
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Germany resumes U-boat attacks under search and destroy rules.
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Woodrow Wilson is re-elected in the USA with a campaign slogan of "He kept us out of the war".
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Germany resumes unrestricted U-boat warfare.
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The Zimmermann Telegram is passed to the US by Britain, detailing alleged German proposal of an alliance with Mexico against the US.
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US President Woodrow Wilson's war cabinet votes unanimously in favour of declaring war on Germany.
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United States comes out of neutrality and declares war on Germany, thus entering the First World War.
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Greece enters the war on the side of the Allies.
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The United States declares war on Austro-Hungary.
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President Woodrow Wilson delivers his fourteen points speech to the U.S. Congress.
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Germany and Austria send peace notes to US President Woodrow Wilson requesting an armistice.
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Allies accept the fourteen points.
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Germany begins negotiations for an armistice with the Allies in Ferdinand Foch's railway carriage headquarters at Compiegne.
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Armistice day as fighting ceases at 11am - World War I ends. Central Powers are forced to annul the Brest-Litovsk Treaty.
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The Treaty of Versailles is signed in Hall of Mirrors at Versailles, officially ending the Great War.