World War I and beyond. On 28 June 1914, Archduke Franz Ferdinand, heir presumptive to the Austro-Hungarian Empire, visited the Bosnian capital, Sarajevo. A group of six assassins (Cvjetko Popović, Gavrilo Princip, Muhamed Mehmedbašić, Nedeljko Čabrinović, Trifko Grabež, and Vaso Čubrilović) from the Yugoslavist group Mlada Bosna, supplied with arms by the Serbian Black Hand, gathered on the street where the Archduke's motorcade was to pass, with the intention of assassinating him. The political objective of the assassination was to break off Austria-Hungary's South Slav provinces, which Austria-Hungary had annexated from the Ottoman Empire, so they could be combined into a Yugoslavia. Čabrinović
Assassination of Archduke Franz Ferdinand jumped into the Miljacka river. Čabrinović's suicide attempt failed, as the old cyanide only induced vomiting, and the Miljacka was only 13 cm deep due to the hot, dry summer. Police dragged Čabrinović out of the river, and he was severely beaten by the crowd before being taken into custody. The procession sped away towards the Town Hall leaving the disabled car behind. Cvjetko Popović, Gavrilo Princip, and Trifun Grabež failed to act as the motorcade passed them at high speed. Arriving at the Town Hall for a scheduled reception, Franz Ferdinand showed understandable signs of stress, interrupting a prepared