Royal Swedish Opera Daniel Auber and "Un ballo in maschera" by Verdi.) Following the assassination, the opera house was closed until 1 November 1792, when it was opened again, which by some was considered shocking. The son of Gustav III, King Gustav IV Adolf of Sweden, did not like the Opera, possibly because of the murder of his father, and disliked the fact that the scene of his father's murder was used as a place of amusement and leisure, and when a frivolous play was performed for his queen Frederica of Baden in 1806, he decided to close it down. It remained closed
Giuseppe Verdi written, he broke his contract. This resulted in litigation and counter-litigation; with the legal issues resolved, Verdi was free to present the libretto and musical outline of "Gustave III" to the Rome Opera. There, the censors demanded further changes; at this point, the opera took the title "Un ballo in maschera". Arriving in Sant'Agata in March 1859 Verdi and Strepponi found the nearby city of Piacenza occupied by about 6,000 Austrian troops who had made it their base, to combat the rise of Italian interest in unification in the Piedmont region. In the ensuing Second Italian War of Independence the