Trifko Grabež society. For the next two years he spent most of his spare time with other nationalists who favoured a union between Bosnia and Herzegovina and Serbia. When it was announced that Archduke Franz Ferdinand, the heir to the throne of Austro-Hungarian Empire, was going to visit Bosnia and Herzegovina in June 1914, Colonel Dragutin Dimitrijević, the chief of the Intelligence Department in the Serbian Army and head of the Black Hand, sent seven men, Grabež, Nedeljko Čabrinović, Vaso Čubrilović, Cvjetko Popović, Danilo Ilić, Muhamed Mehmedbašić and Gavrilo Princip to Sarajevo to assassinate him. Each man was given either a revolver
Young Bosnia the arms and assassins into Sarajevo. ""The political union of the Yugoslavs [..] was my basic idea [..] I am a Yugoslav nationalist, aiming for the unification of all Yugoslavs, and I do not care what form of state, but it must be free from Austria""<br>-Gavrilo Princip during his trial Claimed members of Young Bosnia who participated in the assassination were: An evening before the assassination of Archduke Franz Ferdinand, Princip, Čabrinović and Ilić visited the grave of Bogdan Žerajić for the last time. Žerajić's proclamation "He who wants to live, let him die. He who wants to die, let