Fortress of Arad their honor. The most famous prisoner in the fortress of Arad was undoubtedly Gavrilo Princip, who on 28 June 1914 killed the heir to the throne of Austria-Hungary, Archduke Franz Ferdinand and his wife, Sophie, in Sarajevo, which led to the outbreak of World War I. About the inhuman conditions in which prisoners were held in the fortress of Arad warned Ştefan Cicio Pop, deputy of the Romanian National Party in an interpellation to the Hungarian parliament in Budapest during 1917. After the first World War, the fortress was occupied by allied Serbian and French troops under French command, until
Archduke Joseph Franz of Austria place of his siblings Marie Louise, Duchess of Parma, Ferdinand I of Austria, Archduchess Marie Caroline of Austria, Archduchess Caroline Ludovika of Austria, Archduchess Maria Anna of Austria, Archduke Johann Nepomuk of Austria, Archduchess Amalie Theresa of Austria, and (possibly) Archduke Franz Karl of Austria. His parents, Francis II, Holy Roman Emperor and Maria Theresa of Naples and Sicily, and his great-grandmother, Maria Theresa of Austria, are also buried there. Archduke Joseph Franz of Austria Archduke Joseph Franz Leopold of Austria (9 April 1799 – 30 June 1807) was the second son and seventh child of Francis II, the last