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
Serbian historiography a Macedonian nation was nonexistent and that local Slavs were either Serbian or Bulgarian. The assassin Gavrilo Princip who in Sarajevo (1914) killed Archduke Franz Ferdinand is viewed by Serbian historians as a Serbian hero. A majority of Serbian historians view Austria-Hungary and Germany (Central Powers) as instigating the First World War while the actions of "Mlada Bosna" are presented as being autonomous and not dependent on Serbian government circles. The role of the Russian Empire and the position it took on the eve of war is portrayed favorably within Serbian historiography. Some Serbian historians are of the view that