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the achdocke of austria-hungary was killed. this started the war.
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kaiser william ll promised german support for austria.
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austria declared a war.
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war on Germany
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1st battle
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the lusitania was sunk.
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the start of the battle
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submarine warfare campaign started
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usa declared war.
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the third battle started
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– the Italian Army was heavily defeated
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Marshall Foch was appointed Allied Commander on the Western Front
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The start of the collapse of the German army
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asked the Allies for an armistice
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Germany signed an armistice with the Allies – the official date of the end of World War One.