1818
Birth of Austrian mezzo-soprano Henrietta Treffz, who later had a prominent operatic career in Vienna.
July 1 — On This Day in Opera
This page lists notable events in opera history that happened on July 1, including world premieres, composer births, deaths, and important milestones.
1926
Birth of German composer Hans Werner Henze, noted for his operas, ballets, and symphonies.
2025
A revival production of Leonardo Vinci’s opera *Artaserse* was staged at DePaul University's Jarvis Opera Hall (Chicago), offering audiences a rarely performed baroque work.