SMS Kaiser Karl VI and Argentina. On 25 May, she represented Austria-Hungary at the centennial of Argentina's May Revolution, which won the country's independence from Spain. On 28 June 1914, Archduke Franz Ferdinand, the heir to the Austro-Hungarian throne, was assassinated in Sarajevo; the assassination sparked the July Crisis and ultimately the First World War, which broke out a month later on 28 July. The German battlecruiser , which had been assigned to the Mediterranean Division, sought the protection of the Austro-Hungarian fleet, and so Admiral Anton Haus sent the fleet, including "Kaiser Karl VI", south on 7 August to assist his German ally.
Serbian nationalism some Štokavian-speaking peoples to call themselves names other than Serbs. Ilija Garašanin was another early proponent of Serbian nationalism and a proponent of a Greater Serbia - a Serbian state whose borders were extended to include all Serbs in the Balkan region. After Serbia was recognized as an independent state in 1878, both South Slavs and the Serbian government considered their peoples in Habsburg-ruled Austria-Hungary to be under occupation resulting in increasing antagonism between Serbia and Austria-Hungary from the late 19th century to the early 20th century. In 1914 Austrian Archduke Franz Ferdinand was assassinated by Bosnian Serb revolutionary Gavrilo