Charles I of Austria noble title King of Croatia
Titles, styles, honours and arms
Titles and styles
17 August 1887 – 28 June 1914: His Imperial and Royal Highness Archduke Charles of Austria, Prince of Hungary, Bohemia and Croatia
28 June 1914 – 21 November 1916: His Imperial and Royal Highness The Archduke of Austria-Este
21 November 1916 – 3 April 1919: His Imperial and Royal Apostolic Majesty The Emperor of Austria, Apostolic King of Hungary and Croatia, Slavonia and Dalmatia
aristocratic title rank of nobility peerage nobility rank aristocratic rank