When was the opera from which Una furtiva lagrima is taken first performed ?
Una furtiva lagrima: "Una furtiva lagrima " (A furtive tear) is the romanza from act 2, scene 8 of the Italian opera "L'elisir d'amore" by Gaetano Donizetti. L'elisir d'amore:  The opera premiered on 12 May 1832 at the Teatro della Canobbiana in Milan.
12 May 1832