Caritea, regina di Spagna premiered at what opera house that in the 19th century, became the site of many famous operatic premieres at which the works of several of the four major bel canto era composers were performed?
Caritea, regina di Spagna:  It was premiered at Teatro La Fenice in Venice on 21 February 1826. La Fenice:  Especially in the 19th century, La Fenice became the site of many famous operatic premieres at which the works of several of the four major "bel canto" era composers—Rossini, Bellini, Donizetti, and Verdi were performed.
i don't know