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The Palace of Germany's Kaiser Wilhem the Second. Germany issues the "Blank Check" to Austria, pledging to support them if Russia intervenes on the behalf of Serbia
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Archduke Franz Ferdinand and his wife, Sophie, were assassinated in Sarajevo, Boshia, while touring the city, by Gavrilo Princip, who was apart of a terrorist group called The Black Hand.
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King Peter of Serbia the First received a ultimatum from Austria, demanding officials to investigate the assassination of Archduke and his wife, and to immediately arrest the probable conspirators. Austria knew the ultimatum would be rejected.
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Considering that their demands were not going to be met, Austria declared war om Serbia. Russia also began to mobilize against the potential threats from Germany.
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On August 2, 1914, Germany delivers an ultimatum to enter Belgian territory in order to invade France. The King of Belgium, King Albert, refused to grant Germany permission.
On August 3, 1914, Germany disregards the king of Belgium's refusal and invaded Belgium in order to strike northern France in accordance with the Schlieffen Plan, starting the first battle of Liege.
