… Day was changed to Native American Day in South … Overstreet said. “This (Native American Day) allows native people … Peoples Day, or Native American Day in South Dakota … Native American Cultural Center (NACC) are planning to collaborate for Native American …… Day was changed to Native American Day in South … Overstreet said. “This (Native American Day) allows native people … Peoples Day, or Native American Day in South Dakota … Native American Cultural Center (NACC) are planning to collaborate for Native American …