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June 28, 1914: The Assassination in Sarajevo

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June 28, 1914: The Assassination in Sarajevo

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Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, and his wife Sophie were assassinated by Serbian nationalist Gavrilo Princip. The assassination occurred after a failed bombing attempt earlier that day. The couple were shot while traveling in their car on Franz Josef Street. This event sparked the July Crisis that would eventually lead to World War I.

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Kaiser Wilhelm II of Germany meets with Austrian Ambassador Szögyény at Potsdam Palace. Germany offers Austria-Hungary a 'blank check,' promising full support for any action Austria-Hungary decides to take against Serbia. This crucial meeting effectively gave Austria-Hungary the confidence to pursue aggressive action.

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Austria-Hungary delivers a harsh ultimatum to Serbia at the Serbian Foreign Ministry in Belgrade. The document contained 10 demanding points and gave Serbia only 48 hours to comply. The terms were deliberately made unacceptable, designed to be rejected and provide an excuse for war.

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Serbia, after consulting with Russia, responds to the Austro-Hungarian ultimatum. They accept most demands but reject those that would compromise their sovereignty. The response is delivered to Austria-Hungary's embassy in Belgrade, but it's not enough to prevent the coming conflict.

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July 26, 1914: British Mediation Attempt

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July 26, 1914: British Mediation Attempt

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Sir Edward Grey, British Foreign Secretary, proposes a conference of ambassadors from Britain, France, Germany, and Italy to meet in London to resolve the crisis diplomatically. The proposal is made from the Foreign Office in London, but Germany rejects the initiative.

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Austria-Hungary formally declares war on Serbia. The declaration is sent from the Schönbrunn Palace in Vienna. This action marks the official beginning of what would become World War I, as it triggers a cascade of alliances and military mobilizations.

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Tsar Nicholas II orders partial mobilization of Russian forces along the Austrian border. The decision is made at the Winter Palace in St. Petersburg. This crucial step significantly escalates the crisis, as it prompts Germany to prepare for war on two fronts.

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Germany issues an ultimatum to Russia from the Reichstag in Berlin, demanding they halt military preparations within 12 hours. When Russia fails to respond, Germany begins preparations for war. This marks the final diplomatic breakdown before the outbreak of full-scale war.