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
Assassination of Archduke Franz Ferdinand café with the words 'Mehmedbašić who to-morrow is to be with us.'" The three sent a postcard to Black Hand Provincial Director for Bosnia-Herzegovina Vladimir Gaćinović in France. The following morning, on 28 June 1914, Ilić positioned the six assassins along the motorcade route. Ilić walked the street, exhorting the assassins to bravery. On the morning of 28 June 1914, Franz Ferdinand and his party proceeded by train from Ilidža Spa to Sarajevo. Governor Oskar Potiorek met the party at Sarajevo station. Six automobiles were waiting. By mistake, three local police officers got into the first car with the chief