Turandot is an opera in three acts by Giacomo Puccini, completed by Franco Alfano, and set to a libretto in Italian by Giuseppe Adami and Renato Simoni. Though Puccini's first interest in the subject was based on his reading of Friedrich Schiller's 1801 adaptation of the play, his work is most nearly based on the earlier text Turandot (1762) by Count Carlo Gozzi. The original story is based on one of the seven stories in the epic Haft Peykar (The Seven Beauties), work of 12th-century Persian poet Nizami. Nizami aligned the seven stories with the seven days of the week, the seven colors and the seven corresponding planets. This particular story is the story of Monday ("moon day"), being told to King Bahram by his companion of the red dome. In the very first line of this story, the protagonist is identified as a Russian princess. The name of the opera is based on Turan-Dokht (daughter of Turan), which is a common name used in Persian poetry for Central Asian princesses.