Young Bosnia and the Battle of Kosovo. Two notable organizations are referred to in connection with Young Bosnia: Narodna Odbrana and Black Hand. During a Serbian kangaroo court in French-occupied Salonika in 1916–17, Chief of Serbian Military Intelligence Dragutin Dimitrijević Apis testified that he had organized the assassination of Archduke Franz Ferdinand of Austria, in Sarajevo on 28 June 1914, (the assassin was Gavrilo Princip). In the process, he used not only his power over elements of the Serbian military, but also the Black Hand. Leaders of the Black Hand in turn had penetrated Narodna Odbrana and used that organization to infiltrate
Petar II Petrović-Njegoš with Montenegro against the Ottoman Turks. Like many of his contemporaries, Gavrilo Princip, the assassin of Archduke Franz Ferdinand of Austria, knew "Gorski vijenac" off by heart. Njegoš's influence parallels that of Shakespeare in the English-speaking world and his languagethough archaichas supplied modern Serbian with a number of well known quotations. The epic has become the basic educational text for Montenegrins and Serbs. In Montenegro it was (and still is) learnt by heart, and has been integrated into oral tradition. Njegoš's picture can often seen in taverns, offices, hospitals, on Yugoslav and Serbian currency and in people's homes in Montenegro