Imperial and Royal Military Administration in Serbia Imperial and Royal Military Administration in Serbia The K.u.k. Military Administration in Serbia (German: K.u.k. Militärverwaltung in Serbien) was the Austro-Hungarian military administration in the Kingdom of Serbia from 1915 to 1918. It was formed by the Central Powers during World War I. On 28 June 1914 Serbian nationalist Gavrilo Princip assassinated Archduke Franz Ferdinand in Sarajevo. This led to the diplomatic July Crisis between Austria-Hungary and the Kingdom of Serbia which ultimately led to a declaration of war by Austria-Hungary on July 28. The first Austro-Hungarian forays into Serbia began in August. After disappointing results at the Battle of
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