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
Ferdinand II, Archduke of Austria Ferdinand II, Archduke of Austria Ferdinand II, Archduke of Further Austria (Linz, 14 June 1529 – 24 January 1595, Innsbruck) was ruler of Further Austria including Tirol. The son of Ferdinand I, Holy Roman Emperor, he was married to Philippine Welser in his first marriage. In his second marriage to Anna Juliana Gonzaga, he was the father of Anna of Tyrol, the would-be Holy Roman Empress. Archduke Ferdinand of Austria was the second son of Ferdinand I, Holy Roman Emperor and Anna of Bohemia and Hungary. He was a younger brother of Emperor Maximilian II. At the behest of his