Royal Swedish Opera architect Carl Fredrik Adelcrantz was commissioned by King Gustav III, a strong adherent of the ideal of an enlightened absolutism and as such was a great patron of the arts. The Swedish Opera company had first been located in Bollhuset, but there was a need to separate the Opera from the theatre and give them separate buildings. Construction began in 1775 and the theatre was inaugurated on 30 September 1782 with a performance of the German composer Johann Gottlieb Naumann's "Cora och Alonzo". It was also the place for public masquerade balls, events inspired from the famous opera-balls in Paris,
Giuseppe Verdi Verdi and Giuseppina decided to adopt Carlo's great-niece Filomena Maria Verdi, then seven years old, as their own child. She was to marry in 1878 the son of Verdi's friend and lawyer Angelo Carrara and her family became eventually the heirs of Verdi's estate. "Aida" was commissioned by the Egyptian government for the opera house built by the Khedive Isma'il Pasha to celebrate the opening of the Suez Canal in 1869. The opera house actually opened with a production of "Rigoletto". The prose libretto in French by Camille du Locle, based on a scenario by the Egyptologist Auguste Mariette, was