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
Shot heard round the world The phrase "shot heard round the world" (alternatively "shots heard round the world" or "shot heard around the world") has also become associated with the assassination of Archduke Franz Ferdinand of Austria in Sarajevo on 28 June 1914, an event considered to be one of the immediate causes of World War I. Serbian Gavrilo Princip fired two shots, the first hitting Franz Ferdinand's wife Sophie, Duchess of Hohenberg, and the second hitting the Archduke himself. The death of Franz Ferdinand, heir to the Austro-Hungarian throne, propelled Austria-Hungary and the rest of Europe into World War I. The phrase "Shot heard