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Francis Ferdinand assassinated at Sarajevo
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Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Plan.
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Russian army defeated at Tannenburg and Masurian Lakes.
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Turkey entered the war on Germany’s side. Trench warfare started to dominate the Western Front.
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The first Zeppelin raid on Britain took place
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The “Lusitania” was sunk by a German U-boat
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Italy declared war on Germany and Austria
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Start of the Battle of Verdun
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Battle of Jutland
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First use en masse of tanks at the Somme
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USA declared war on Germany
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Start of the Third Battle at Ypres
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British tanks won a victory at Cambrai
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The advance of the Allies was successful