SMS Kaiser Franz Joseph I during the Xinhai Revolution. In 1913, the cruisers were ordered to rotate duties one final time, with "Kaiserin Elisabeth" going to China, and "Kaiser Franz Joseph I" returning to Austria-Hungary in 1914. The assassination of Archduke Franz Ferdinand on 28 June 1914 in Sarajevo triggered a chain of events which led to the July Crisis and Austria-Hungary's subsequent declaration of war on Serbia on 28 July. Events unfolded rapidly in the ensuing days. On 30 July 1914 Russia declared full mobilization in response to Austria-Hungary's declaration of war on Serbia. Austria-Hungary declared full mobilization the next day. On 1 August
Archduke Karl Ferdinand of Austria He became a Lieutenant Field Marshal of the Austrian Army. In Vienna, on 18 April 1854, Karl Ferdinand married his first cousin, Archduchess Elisabeth of Austria (1831–1903), the widow of Archduke Ferdinand of Austria-Este, and the daughter of Archduke Joseph of Austria, Palatine of Hungary. They had six children: Archduke Karl Ferdinand of Austria Archduke Karl Ferdinand of Austria (Vienna, 29 July 1818 – Gross Seelowitz (Židlochovice Castle), 20 November 1874) was the second son of Archduke Charles, Duke of Teschen (1771–1847) and Princess Henrietta of Nassau-Weilburg, and the maternal grandfather of King Alfonso XIII of Spain. A son of