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
Danilo Ilić Mehmedbašić, and Cvjetko Popović to assassinate Archduke Franz Ferdinand of Austria, which it that led directly to World War I. He and Gavrilo Princip were close friends. On Sunday, 28 June 1914, Franz Ferdinand and Sophie von Chotkow were assassinated by Gavrilo Princip. Princip and Nedeljko Čabrinović were captured and interrogated by the police. They held out, but Ilić, who was picked up on a routine check, eventually broke down under pressure and named his fellow conspirators. Muhamed Mehmedbašić managed to escape to Serbia but Veljko Čubrilović, Vaso Čubrilović, Cvjetko Popović and Miško Jovanović as well as Danilo Ilić were