First World War > Causes of the Outbreak of First World War Causes of the Outbreak World War One Origins of the First World War Background to the Assassination Austria-Hungary The Serbians The Chronology of First World War Origins of the First World War Triple Alliance Triple Alliance Triple Entente Anglo-Russian Entente Kaiser Wilhelm II Bosnian Crisis Background to the Assassination Austria-Hungary Serbia Bosnia-Herzegovina The Black Hand Assassination at Sarajevo Railway Station to City Hall City Hall to Sarajevo Hospital Outbreak of War Austria-Hungary Archduke Franz Ferdinand Emperor Franz Josef Duchess Sophie Chotek General Oskar Potiorek The SerbiansKing Peter Nikola Pasic Gavrilo Princip Trifko Grabez Vaso Cubrilovic Muhamed Mehmedbasic Misko Jovanovic Dragutin Dimitrijevic Voja Tankosic Danilo Ilic Nedjelko Cabrinovic Veljko Cubrilovic Cvijetko Popovic Milan Ciganovic