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Austria blames Serbia for the death of Franz Ferdinand and sent it an ultimatum
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Austria declared war on Serbia and shelled its capital, Belgrade
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The Russian army got ready to help Serbia defend itself against the Austrian attack
Germany warned Russia not to help the Serbs -
Germany declared war on Russia. It also began to move its army towards France and Belgium
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The French army was put on a war footing ready to fight any German invasion
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Germany declared war on France and invaded Belgium, Britain declared war on Germany
Britain ordered Germany to witihdraw from Belgium -
With the Germans still in Belgium, Britain declared war on Germany
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Austria declared war on Russia
