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,
Royal Swedish Opera Royal Swedish Opera Royal Swedish Opera () is Sweden's national stage for opera and ballet. The building is located in the center of Sweden's capital Stockholm in the borough of Norrmalm, on the eastern side of Gustav Adolfs torg across from the former Arvfurstens Palats, now Ministry for Foreign Affairs. It lies on the north side of the Norrström river and is connected to the Royal Palace through the Norrbro bridge. Further historically as well as architecturally important buildings in the close neighborhood are the Sager House, official residence of the Prime Minister of Sweden, and the Riksdag building. The