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
Coretti Arle Titz that she'd performed for a roomful of revolutionaries who used the concerts as fronts for their anti-government meetings. Through Burenin, Coretti was introduced to many other revolutionary actors, composers, musicians, artists and writers. From her new Bolshevik acquaintances, she became more familiar with the unrelenting fury and brutality of the Tsarist gendarmerie and Okhrana (secret police) upon the lower classes. The leaders of the proletariat were shadowed, hunted and sent to rot in distant Siberian prisons for their illegal underground activities. On June 28, 1914, Gavrilo Princip assassinated Archduke Franz Ferdinand of Austria in Sarajevo, setting in motion the events