This document discusses the history of dance from the 16th century to modern times. It mentions early dance treatises by Thoinnot Arbeau and Lorenzo de Medici. Catherine de Medici helped popularize dance in France through her introduction of the mask dance. The document then outlines the development of various social dances like the gavotte, allemande, minuet, country dance, and landler. It traces the evolution of tap, jig, clog, and can-can dances. The military schottische, cakewalk, two-step, boston, and turkey trot are also mentioned. The document concludes with references to early 20th century dance instructors Vernon and Irene Castle, the