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Austria-Hungary declares war on Serbia
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Period: to
World War 1
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Germany declares war on Russia and France and invades Belgium
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Britain declares war on Germany
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Trench warfare begins in Western Europe
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The Anzacs land at Galipolli
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The Allies withdraw from Gallpoli
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The first referendum on conscription is held in Australia
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The USA enters the war
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Revolution in Russia leads to Russian withdrawal from the war
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The Armistice signed, ends the fighting