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Archduke Franz Ferdinand (heir to the Austro-Hungarian throne) and his wife are assassinated in Sarajevo, Bosnia–Herzegovina
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The Schlieffen Plan results in the German invasion of Belgium; World War I begins.
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Christmas Truce: soldiers from both sides come out of their trenches and share drinks and greetings on Christmas Eve
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First Zeppelin raid on Britain
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Germans driven back from Ypres (Belgium)
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Landing at Gallipoli
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German U-boat sinks the Lusitania, killing 1198 people including 128 Americans; this event contributes to decision of USA to enter the war
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Battles of Lone Pine and the Nek at Gallipoli
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Evacuation from Gallipoli
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Stalemate continues on the Western Front
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Battle of the Somme; tanks are used for the first time
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First conscription referendum in Australia; it is narrowly defeated
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The end of the tanks first use
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USA joins the war
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Communist revolution in Russia
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Ludendorff Offensive begins in an attempt by Germans to break through the Allied lines and end the war; it is Germany’s last major attack on the Western Front
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Australian troops recapture the town of Villers-Bretonneux
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Start of the Allied counter-offensive
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Armistice (ceasefire) signed; end of World War I
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Paris Peace Conference meets to decide the fate of Germany; the Treaty of Versailles is drawn up
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Paris Peace Conference meets to decide the fate of Germany; the Treaty of Versailles is drawn up