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
Assassination of Archduke Franz Ferdinand Popović shortly after Easter (Orthodox Easter as given by Dedijer: 19 April 1914), for the assassination, as evidenced by the testimony of Ilić, Čubrilović, and Popović at the Sarajevo trial. Three youths – Gavrilo Princip, Trifko Grabež, and Nedeljko Čabrinović – Bosnian Serb subjects of Austria-Hungary, living in Belgrade, testified at the Sarajevo trial that at about the same time (a little after Easter), they were eager to carry out an assassination and approached a fellow Bosnian Serb and former guerrilla fighter known to be well connected and with access to arms, Milan Ciganović, and through him Major Tankosić and