Domenico da Piacenza (c. 1390–1477) is the earliest known dancing master. He was born in Piacenza (northern Italy), and worked in the major northern Italian courts, including that of the Sforzas in Milan and the Este in Ferrara. He wrote De la arte di ballare et Danzare (On the Art of Dancing and Choreography) in 1445, the earliest surviving dance treatise, and taught a number of Italian dancing masters including the other two authors of dancetreatises, Guglielmo Ebreo (also known as Giovanni Ambrosio) and Antonio Cornazano. On the invitation of Duke Francesco Sforza,.....