Descendants of Black slaves object to renaming Columbus Day “We will not stop until all the Five Civilized Tribes honor the sacrifices of their black slaves,” said Cook County Commissioner Stanley Moore. By Justin Sullivan/Getty Images Story at a glance A commissioner in Illinois’s largest county said Monday that major tribes in the U.S. should “acknowledge their role in the rich history of Black slaves,” before the county decides whether to formally change the name of Columbus Day. Cook County Commissioner Stanley Moore, who says he is a descendant of a Choctaw Freedman, argued that major tribes discriminate against descendants and have denied full tribal memberships to Freedmen.