Fidelio Fidelio Fidelio (originally titled ; English: "Leonore, or The Triumph of Marital Love"), Op. 72, is Ludwig van Beethoven's only opera. The German libretto was originally prepared by Joseph Sonnleithner from the French of Jean-Nicolas Bouilly, with the work premiering at Vienna's Theater an der Wien on 20 November 1805. The following year, helped shorten the work from three acts to two. After further work on the libretto by Georg Friedrich Treitschke, a final version was performed at the Kärntnertortheater on 23 May 1814. By convention, both of the first two versions are referred to as "Leonore". The libretto, with
Opera a Chinese language form of Western style opera that is distinct from traditional Chinese opera, has had operas dating back to "The White Haired Girl" in 1945. In Latin America, opera started as a result of European colonisation. The first opera ever written in the Americas was "La púrpura de la rosa", by Tomás de Torrejón y Velasco, although "Partenope", by the Mexican Manuel de Zumaya, was the first opera written from a composer born in Latin America (music now lost). The first Brazilian opera for a libretto in Portuguese was "A Noite de São João", by Elias Álvares Lobo.