Sarajevo say in its day-to-day governance. This lasted until 1908 when the territory was formally annexed and turned into a condominium, jointly controlled by both Austrian Cisleithania and Hungarian Transleithania. In the event that triggered World War I, Archduke Franz Ferdinand of Austria was assassinated, along with his wife Sophie, Duchess of Hohenberg in Sarajevo on 28 June 1914 by a self-declared Yugoslav, Gavrilo Princip, a member of Young Bosnia. In response, many residents of Sarajevo organized riots against the Serbs, killing two and destroying their property. In the ensuing war, however, most of the Balkan offensives occurred near Belgrade, and
Robert, Archduke of Austria-Este assassinated relative Archduke Franz Ferdinand of Austria, (1863–1914), who had inherited in 1875 the Austria-Este designation and what had been salvaged of the Este fortune when the duchy was annexed to Italy in 1860. Archduke Robert descended through his Habsburg father from Ercole III d'Este, Duke of Modena, and his mother Zita was a descendant of Maria Beatrice d'Este, heiress of Modena and her husband, Archduke Ferdinand of Austria. Thus the lineage of the last Este dukes, in female descent, remained joined to the Austria-Este legacy. Archduke Robert eventually adopted use for himself and his descendants in male line the