La Grande-Duchesse de Gérolstein is an opéra bouffe, in three acts and four tableaux by Jacques Offenbach to an original French libretto by Henri Meilhac and Ludovic Halévy. Wikipedia
Composer: Jacques Offenbach
Librettists: Henri Meilhac and Ludovic Halévy
Written: 1867
First performance: April 12, 1867