I vespri siciliani (Italian pronunciation: [i ˈvɛːspri sitʃiˈljaːni]; The Sicilian Vespers) is a five-act Italian opera originally written in French for the Paris Opéra by the Italian romantic composer Giuseppe Verdi and translated into Italian shortly after its premiere in June 1855.

Original Name I vespri siciliani
Librettist Eugène Scribe, Charles Duveyrier (Based on their work "Le duc d'Albe")
Date of composition 1855 (1852-1855)
Premiered 1855, December 26th in Parma, Province of Parma, Italy
Type Opera
Approx. duration 190 minutes
Spoken language French
Arrangement of Giuseppe Verdi: The Sicilian Vespers
Instruments Voice (Soprano) - Hélène (Elena), duchessa sorella del duca Federigo d'Austria (sister of Duke Frederick of Austria)
Voice (Tenor) - Henri (Arrigo), giovane siciliano (a young Sicilian)
Voice (Baritone) - Montfort (Guido di Monforte), governatore di Sicilia, re di Napoli (Governor of Sicily under Charles d'Anjou, King of Naples)
Voice (Bass) - Jean de Procida (Giovanni da Procida), medico siciliano (a Sicilian doctor)
Voice (Bass) - Il signore di Béthune, ufficiale francese (a French officer)
Voice (Bass) - Il conte di Vaudemont, ufficiale francese (a French officer)
Voice (Contralto) - Ninetta, cameriera di Elena (Hélène's maid)
Voice (Tenor) - Danieli, siciliano (Hélène's servant)
Voice (Tenor) - Thibault (Tebaldo), soldato francese (a French soldier)
Voice (Bass) - Robert (Roberto), soldato francese (a French soldier)
Voice (Tenor) - Mainfroid (Manfredo), siciliano (a Sicilian, adherent of Procida)
Chorus/Choir - Siciliani e siciliane, soldati francesi
Orchestra
Autotranslations beta Giuseppe Verdi: The Sicilian Vespers
Giuseppe Verdi: The Sicilian Vespers
Giuseppe Verdi: The Sicilian Vespers