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
Archduchess Marie Anne of Austria of Parma, Ferdinand I of Austria, Archduchess Marie Caroline, Archduchess Caroline Ludovika of Austria, Archduke Johann Nepomuk of Austria, Archduchess Amalie Theresa of Austria, and Archduke Franz Karl of Austria. Her parents, Francis II, Holy Roman Emperor and Maria Theresa of Naples and Sicily, and her great-grandmother, Maria Theresa of Austria, are also buried there. Archduchess Marie Anne of Austria Marie Anne of Austria ("Maria Anna Franziska Theresia Josepha Medarde"; 8 June 1804 – 28 December 1858) was an Archduchess of Austria and the daughter of Franz II, Holy Roman Emperor and his second wife, Maria Theresa of Naples and