Which opera was perfomed first, Il tabarro or Candide?
Il tabarro: Il tabarro (The Cloak) is an opera in one act by Giacomo Puccini to an Italian libretto by Giuseppe Adami, based on Didier Gold's play "La houppelande". Il tabarro:  The first performance was given on 14 December 1918 at the Metropolitan Opera in New York City. Candide (operetta):  The operetta was first performed in 1956 with a libretto by Lillian Hellman; but since 1974 it has been generally performed with a book by Hugh Wheeler which is more faithful to Voltaire's novel.
Il tabarro