L’incontro improvviso
is an opera in three acts by Joseph Haydn first performed at Eszterháza on 29 August 1775 to mark the four-day visit of Archduke Ferdinand, Habsburg governor of Milan and his consort Maria Beatrice d'Este. Wikipedia
Written: 1775
Librettist: Carl Friberth
First performance: August 29, 1775, Esterházy-kastély, Fertőd, Hungary
Composer: Joseph Haydn
Lyricist: Carl Friberth
Translation: The unexpected encounter