• Pinotta (23 March 1932 Casinò, San Remo) [composed 1880 ]
• Guglielmo Ratcliff (16 Feb. 1895 Teatro alla Scala, Milan) [composed 1885 ]
• Cavalleria Rusticana (17 May 1890 Teatro Costanzi, Rome) libretto: [1] (http://rick.stanford.edu/opera/Mascagni/Cavalleria/libretto.html)
• L'amico Fritz (31 Oct. 1891 Teatro Costanzi, Rome)
• I Rantzau (10 Nov. 1892 Teatro La Pergola, Florence)
• Silvano (25 March 1895 Teatro alla Scala, Milan)
• Zanetto (2 Mar. 1896 Liceo Musicale, Pesaro)
• Iris (22 Nov. 1898 Teatro Costanzi, Rome)
• Le maschere (17 Jan. 1901 Teatro Carlo Felice, Genoa - Teatro Regio, Turin - Teatro alla Scala, Milan - Teatro La Fenice, Venice - Teatro Filarmonico, Verona - Teatro Costanzi, Rome)
• Amica (16 March 1905, Monte Carlo)
• Isabeau (2 June 1911 Teatro Coliseo, Buenos Aires)
• Parisina (15 Dec. 1913 Teatro alla Scala, Milan)
• Lodoletta (30 April 1917 Teatro Costanzi, Rome)
• Sì (13 Dec. 1919 Teatro Quirino, Rome) [operetta]
• Il piccolo Marat (2 May 1921 Teatro Costanzi, Rome)
• Nerone (16 Jan. 1935 Teatro alla Scala, Milan)

Mascagni was born in Livorno, and died in Rome.