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June 28th Francis Ferdinand assassinated at Sarajevo
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July 5th Kaiser William II promised German support for Austria against Serbia
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July 28th Austria declared war on Serbia
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August 1st Germany declared war on Russia
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August 3rd Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Plan.
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August 3rd Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Plan.
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August 23rd The BEF started its retreat from Mons. Germany invaded France.
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August 26th Russian army defeated at Tannenburg and Masurian Lakes.
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September 6th Battle of the Marne started
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Turkey entered the war on Germany’s side. Trench warfare started to dominate the Western Front.