Which opera was performed first La Cenerentola or Betrothal in a Monastery ?
Betrothal in a Monastery:  The first performance did not occur until 3 November 1946 at the Kirov Theatre with Boris Khaikin conducting. La Cenerentola: La Cenerentola, ossia La bontà in trionfo (Cinderella, or Goodness Triumphant) is an operatic "dramma giocoso" in two acts by Gioachino Rossini.
i don't know