1723 operas

opera by Antonio Vivaldi

thumb|upright=1.1|George Frideric Handel '''''Flavio, re de' Longobardi''''' ("Flavio, King of the Lombards", HWV 16) is an opera seria in three acts by George Frideric Handel. The Italian-language libretto was by Nicola Francesco Haym, after Matteo Noris's Flavio Cuniberto. It was Handel's fourth full-length opera for the Royal Academy of Music. Handel had originally entitled the opera after the character of Emilia in the opera.

thumb|upright=1.1|George Frideric Handel Ottone, re di Germania ("Otto, King of Germany", HWV 15) is an opera by George Frideric Handel, to an Italian–language libretto adapted by Nicola Francesco Haym from the libretto by Stefano Benedetto Pallavicino for Antonio Lotti's opera Teofane. It was the first new opera written for the Royal Academy of Music (1719)'s fourth season and had its first performance on 12 January 1723 at the King's Theatre, Haymarket in London. Handel had assembled a cast of operatic superstars for this season and the opera became an enormous success.

opera by Jan Dismas Zelenka