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
Archduke Wilhelm Franz of Austria Archduke Wilhelm Franz of Austria Archduke Wilhelm Franz Karl of Austria-Teschen (German: Erzherzog Wilhelm Franz Karl von Habsburg-Lothringen, 21 April 1827 – 29 April 1894) was an Archduke of Austria from the House of Habsburg. He was born in Vienna as the son of Archduke Charles, Duke of Teschen (1771–1847) and Princess Henrietta of Nassau-Weilburg (1797–1829). He was a grandson of Leopold II (1747–1792) and nephew of Franz II (1768–1835), the last two Holy Roman Emperors. He held the office of Grand Master of the Teutonic Knights from 1863 until his death in 1894. He gained the rank of "Feldzeugmeister"