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.
Archduke Karl Ludwig of Austria Schönbrunn in Vienna returning from a journey to Palestine and Egypt, allegedly after the consumption of contaminated Jordan waters. His widow, Maria Teresa died on 12 February 1944. Archduke Karl Ludwig of Austria Archduke Karl Ludwig Joseph Maria of Austria (30 July 1833 – 19 May 1896) was the younger brother of Franz Joseph I of Austria (1830–1916), the father of Archduke Franz Ferdinand of Austria (1863–1914), whose assassination ignited World War I, and grandfather of the last emperor, Charles I. He was born at Schönbrunn Palace in Vienna, the son of Archduke Franz Karl of Austria (1802–1878) and his