The National Society of the Colonial Dames of America (NSCDA) is a non-profit organization founded in 1891. It aims to promote and preserve the history and heritage of the early American colonial period. Members are women who can trace their ancestry to individuals who contributed to the founding of the United States, particularly before 1776. The NSCDA engages in various activities, including educational programs, historical preservation, and community service. The organization also maintains several historic sites and museums across the country, showcasing artifacts and stories related to American history and the colonial era.