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
Ivo Andrić have been taking part in a protest of South Slav students that were boycotting German-speaking universities and transferring to Slavic ones. For a time, Andrić had considered transferring to a school in Russia but ultimately decided to complete his fourth semester at Jagiellonian University in Kraków. He transferred in early 1914, and continued to publish translations, poems and reviews. On 28 June 1914, Andrić learned of the assassination of Archduke Franz Ferdinand in Sarajevo. The assassin was Gavrilo Princip, a Young Bosnian and close friend of Andrić who had been one of the first to join the SHNO in 1911.