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While visiting the Bosnian capital of Sarajevo Ferdinand is assassinated by Gavrilo Princip.
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Germany is the first nation to declare war after Russia refuses to demobilize their troops.
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Major battle between Russia and Germany that left over 180,000 soldiers dead or injured.
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Italia signs a secret pact with Britain to join the Triple Entente and fight against their former ally Germany
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Battle between France and Germany that would be the longest and deadliest battle of the war wich lasted 303 days with 1.2 million casualties.
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The first major battle fought by Britain and France versus Germany where 1 million soldiers were killed or injured
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Following the sinking of the Lusitania and recieving the Zimmerman Telegraph, The United States declares war on Germany.
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V.I. Lenin leads a communist revolution that overthrows the Russian czar and removes Russia from the war.
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The signing of the Armistice signals the end of fighting and requires all German troops to return behind their borders.
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The Treaty of Versailles officially ends the war and forces Germany to pay reperations.
