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
History of modern Serbia of the Austro-Hungarian Empire, Archduke Franz Ferdinand of Austria, at his announced visit in Sarajevo. After Nedeljko Čabrinović's first unsuccessful attack, the Bosnian Serb nationalist Gavrilo Princip assassinated the Archduke and his wife Sophie Chotek. Princip, Čabrinović and their accomplice Trifko Grabež had come from Belgrade; the three told almost all they knew to Austro-Hungarian authorities. Serbian Major Vojislav Tankosić directly and indirectly not only had provided six hand grenades, four Browning Automatic Pistols and ammunition, but also money, suicide pills, training, a special map with the location of gendarmes marked, knowledge of contacts on a special channel used to