The Society for Creative Anachronism, Inc. The SCA is an international organization dedicated to researching and re-creating the arts and skills of pre-17th-century Europe. Our "Known World" consists of 19 kingdoms, with over 30,000 members residing in countries around the world. Members, dressed in clothing of the Middle Ages and Renaissance, attend events which may feature tournaments, arts exhibits, classes, workshops, dancing, feasts, and more. Our "royalty" hold courts a ...