1. War Breaks Out, 1914 Nationalism in the Balkans Nationalism in the Balkans The Assassination of the Archduke The Assassination of the Archduke Austria-Hungary’s Ultimatum Austria-Hungary’s Ultimatum The Alliance System Leads to War The Alliance System Leads to War

2. Nationalism Breaks Out in the Balkans People with diverse religions, ethnic backgrounds, languages People with diverse religions, ethnic backgrounds, languages As Ottoman Empire receded, new nations were born As Ottoman Empire receded, new nations were born Russia & Austria competed for control of new nations Russia & Austria competed for control of new nations Austria-Hungary annexes Bosnia in 1908 and Serbia resents this Austria-Hungary annexes Bosnia in 1908 and Serbia resents this

3. The Assassination of the Archduke Archduke Francis Ferdinand of Austria visited Bosnian capital of Sarajevo on June 28, 1914 Archduke Francis Ferdinand of Austria visited Bosnian capital of Sarajevo on June 28, 1914 7 assassins from Black Hand, a Serbian nationalist group, plot against him 7 assassins from Black Hand, a Serbian nationalist group, plot against him 19-yr-old Gavrilo Princip shot the Archduke and his wife 19-yr-old Gavrilo Princip shot the Archduke and his wife

4. Austria-Hungary’s Ultimatum Germany gave “blank check” of military support to Austria-Hungary Germany gave “blank check” of military support to Austria-Hungary Austria-Hungary’s severe ultimatum to Serbia Austria-Hungary’s severe ultimatum to Serbia Serbia refuses to let Austria- Hungary’s officials run an investigation in Serbia Serbia refuses to let Austria- Hungary’s officials run an investigation in Serbia Austria-Hungary declared war on Serbia on July 28, 1914 Austria-Hungary declared war on Serbia on July 28, 1914

5. The Alliance System Leads to War Russia supported Serbia and Germany supported Austria-Hungary Russia supported Serbia and Germany supported Austria-Hungary Within one week, almost all of Europe plunged into war: Within one week, almost all of Europe plunged into war: -Germany declares war on Russia and France -Britain declares war on Germany