"Remembering ‘Red Summer,’ when white mobs massacred Blacks from Tulsa to D.C." The U.S. was gripped by a reign of racial terror after World War I, when whites rose up to quash prosperous Black communities. Incredible reporting by DeNeen Brown , for National Geographic . #AfricanAmericans #AfricanAmericanHistory #TulsaRaceMassacre #AmericanHistory #BlackHistory #racism #racialviolence #racialinjustice …see more