Poro, re dell'Indie is an opera seria in three acts by George Frideric Handel. The Italian-language libretto was adapted from Alessandro nell'Indie by Metastasio, and based on Alexander the Great's encounter with Porus in 326 BC. Wikipedia
Librettist: Pietro Metastasio
Composer: George Frideric Handel
First performance: February 2, 1731, His Majesty's Theatre, London, United Kingdom
Composed: 1719