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 Ferdinand Karl Viktor of Austria-Este Archduke Ferdinand Karl Viktor of Austria-Este Ferdinand Karl Viktor (20 July 1821 – 15 December 1849) was Archduke of Austria-Este and Prince of Modena. Born in Modena, he was the second son of Francis IV of Modena and his niece-consort Maria Beatrice of Savoy. His paternal grandmother had been heiress to the Duchy of Modena, because her father Ercole III d'Este had no sons. Ferdinand married Archduchess Elisabeth Franziska of Austria, daughter of Archduke Josef Anton of Austria and his third wife Duchess Maria Dorothea of Württemberg on 4 December 1846 in the Schönbrunn Palace in Vienna. Elisabeth and Ferdinand