Mladen Stojanović members of the association, whom he sometimes sharply criticised. Nevertheless, younger students liked being around him. Gaković described him as a tall and handsome man who greatly cared about his appearance; he wore a bow tie and a broad-brimmed hat. On the morning of 28 June 1914, in Sarajevo, Princip assassinated Archduke Franz Ferdinand of Austriaheir presumptive to the throne of Austria-Hungaryand his wife Sophie. Princip was a member of a group of conspirators, which included Trifko Grabež; the whole group was arrested by the Austrian police after the assassination. Blaming Serbia for the attack, Austria-Hungary declared war a month
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