The Costume Society of America (CSA) is a 501(c)(3) non-profit organization founded on March 23, 1973, and incorporated in the state of New York on September 12, 1973. CSA promotes its goals with national symposia and publications including the annual journal Dress and its monthly electronic newsletter CSA E-News. In 1978, the organization also began forming regional groups. There are now six in the United States and Canada, and one international group. Individual regions hold annual meetings, sponsor programs and publish newsletters.