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
Archduke Franz Ferdinand of Austria in 1896. Henceforth, Franz Ferdinand was groomed to succeed to the throne. Despite this burden, he did manage to find time for travel and personal pursuits, such as his circumnavigation of the world between 1892 and 1893. After visiting India he spent time hunting kangaroos and emus in Australia in 1893, then travelled on to Nouméa, New Hebrides, Solomon Islands, New Guinea, Sarawak, Hong Kong and Japan. After sailing across the Pacific on the RMS "Empress of China" from Yokohama to Vancouver he crossed the United States and returned to Europe. The Archduke and his wife visited England in the