Almost too many to mention. Opera followed the theatre in its fascination with Royal subjects. For example: Verdi: Un giorno di Regno; Don Carlo, King of Spain in Ernani; Carlo VII, King of France in Giovanna d'Arco; Macbeth; Philip II in Don Carlos; King of Egypt in Aida.Puccini: Emperor Altoun and Timur in Turandot. Mozart: Mitridate, Rè di Ponto; Alessandro, King of Macedonia in Il Rè Pastore; Idomeneo, King of Crete; Tito in La clemenza di Tito; Queen of Night in Die Zauberflöte.Richard Strauss: Emperor and Empress in Die Frau ohne Schatten. Wagner: The Fairy King in Die Feen; Henry the Fowler, King of Germany, in Lohengrin; King Marke in Tristan und Isolde.