Franz Joseph I of Austria the Empire on 6 October 1908. However a diplomatic crisis erupted, as both the Serbs and the Italians demanded compensation for the annexation, which the Austro-Hungarian government refused to entertain. The incident was not resolved until the revision of the Treaty of Berlin in April 1909, exacerbating tensions between Austria-Hungary and the Serbs. On 28 June 1914 Franz Joseph's nephew and heir Archduke Franz Ferdinand, and his morganatic wife Sophie, Duchess of Hohenberg, were assassinated by Gavrilo Princip, a Yugoslav nationalist of Serbian ethnicity, during a visit to Sarajevo. When he heard the news of the assassination, Franz Joseph said
Archduke Rainer Ferdinand of Austria Archduke Rainer Ferdinand of Austria Archduke Rainer Ferdinand Maria Johann Evangelist Franz Ignaz of Austria (11 January 1827 – 27 January 1913), a member of the House of Habsburg-Lorraine and nephew of Emperor Francis II, was an Austrian politician who served as Minister-President of Austria from 1861 to 1865. Born in Milan, the capital of the Austrian Kingdom of Lombardy–Venetia, he was a son of Viceroy Archduke Rainer Joseph of Austria (1783–1853) and his consort Princess Elisabeth of Savoy (1800–1856). Rainer Ferdinand spent most of his youth at the Royal Villa of Monza. He studied law at the University of