context: “Child and magic” (sometimes “Child and magic” [1], French: L'Enfant et les Sortilèges) - one-act opera ballet (French: fantasie lyrique - musical fantasy) by Maurice Ravel in two paintings (French: parties) on libretto colette. Catalog number of the Marne M.71 catalog. It was created in the period from 1919 to 1925. The premiere took place on March 21, 1925, at the Monte Carlo opera directed by Victor de Sabat and in the choreography of George Balanchine with the participation of the Russian ballet Diaghilev [2]. The second after the “Spanish Hour” and the last completed Ravel’s opera, described by critics as an example of virtuoso instrumentation and a delicate psychological plot [3].
question: When was the premiere of the opera-ballet "Child and Magic"?
answers.text: March 21, 1925