1818
Birth of Danish operatic soprano Louise Sahlgreen, known for her work at the Royal Danish Theatre, including roles in Rossini works such as *William Tell*.
September 17 — On This Day in Opera
This page lists notable events in opera history that happened on September 17, including world premieres, composer births, deaths, and important milestones.
1885
Birth of Azerbaijani composer Üzeyir Hacıbəyov, known for writing the opera *Leyli və Məcnun* (1908), a foundational work in Azerbaijani opera history.