Before May 31, 1921, the Greenwood District of Tulsa, Oklahoma, was a thriving neighborhood of 10,000 Black residents. There, Black families found success and community. They ran their own businesses, including barbershops, clothing stores, jewelers, restaurants, movie theatres, and more. There also were Black doctors, dentists, and lawyers to serve the neighborhood. Then, in one weekend, all of this was lost. A racist mob tore through the streets,...