Agrippina (opera) Agrippina has tricked them into supporting Nero and decide to have no more to do with her. Otho arrives, nervous about his forthcoming coronation ("Coronato il crin d'alloro"), followed by Agrippina, Nero and Poppaea, who have come to greet Claudius. All combine in a triumphal chorus ("Di timpani e trombe") as Claudius enters. Each in turns pays tribute to the Emperor, but Otho is coldly rebuffed as Claudius denounces him as a traitor. Otho is devastated and appeals to Agrippina, Poppaea, and Nero for support, but they all reject him, leaving him in bewilderment and despair ("Otton, qual portentoso fulmine"
Roman emperor to style themselves as Emperor of the Romans (later βασιλεύς Ῥωμαίων in Greek), but are often referred to in modern scholarship as Byzantine emperors. Constantine XI Palaiologos was the last Roman emperor in Constantinople, dying in the Fall of Constantinople to the Ottomans in 1453. The "Byzantine" emperors from Heraclius in 629 and onwards adopted the title of "basileus" (), which had originally meant "king" in Greek but became a title reserved solely for the Roman emperor and the ruler of the Sasanian Empire. Other kings were then referred to as "rēgas". In addition to their pontifical office, some emperors