A great Sioux Indian chief and warrior, Crazy Horse united his people into a formidable Indian nation and led them to victory against General Custer's forces at Little Bighorn. The Great Americans Series The popular Great Americans Series honors special Americans from all walks of life and honors them for their contributions to society and their fellow man. Sixty-four different stamps make up the complete set to pay tribute to important individuals who were leaders in education, the military, literature, the arts, and human and civil rights.