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
Coffee culture in former Yugoslavia time prevented from kafanas by a strong social prohibition. In the 1900s, young Serbian nationalists in Belgrade met in the city's kafanas where they openly discussed hatred for Austro-Hungary, and desire for Yugoslavism. Gavrilo Princip, the assassin of Archduke Franz Ferdinand, visited those kafanas in 1912. The "Crni konj" ("Black horse") café in Varoš-kapija quarter was a meeting place for Ottoman Serb refugees and "pečalbari" (seasonal workers). In the late 1970s, a new type of drinking establishment first appeared in Yugoslavia: the "caffe bar" or colloquially "kafić". These bars normally serve espresso instead of Turkish coffee, tea and soft drinks,