While Christmas lights dazzle and carols fill the air, another holiday quietly illuminates homes across America: Kwanzaa. Founded in 1966 by Dr. Maulana Karenga, Kwanzaa isn't a religious holiday but a cultural one, a week-long celebration (from December 26th to January 1st) honoring African heritage, family, community, and the Nguzo Saba, the seven principles at its core.