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 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 Holy Roman Emperor and his second wife, Maria Theresa of Naples and Sicily, daughter of Ferdinand I of the Two Sicilies and his wife Maria Carolina of Austria. He was their fourth child to die. Archduke Joseph Franz was born at the Hofburg Imperial Palace, where all of his older and younger siblings were born. He was the seventh child born to his parents: Marie Louise was born in 1791,