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
Black Hand (Serbia) Balkan Wars. By this point, disagreeing with the Black Hand was dangerous, as political murder was one of their tools. It was also in 1914 that Apis allegedly decided that Archduke Franz Ferdinand, the heir-apparent of Austria, should be assassinated, as he was trying to pacify the Serbians, and if this happened then a revolution would never occur. Towards that end it is claimed that three young Bosnian Serbs were recruited to kill the Archduke. They were definitely trained in bomb throwing and marksmanship by current and former members of the Serbian military. Gavrilo Princip, Nedeljko Čabrinović and Trifko Grabež