Gustavo III (Verdi) to meet commitments regarding "Lear". Finally, in a letter which he wrote to Torelli in September 1857, Verdi confessed that he had "looked through an infinite number of plays...but not one of them will do for me..." but he then described an existing libretto which interested him, one which was written by the French playwright and librettist Eugene Scribe for Daniel Auber's very successful 1833 opera, "Gustave III, ou Le bal masqué": Verdi turned to the historical subject of King Gustav III of Sweden, who was shot while attending a masked ball in Stockholm in 1792 and died thirteen days
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