For many years, the single worst incident of racial violence in the US went largely unknown and untaught. In 1921, a local newspaper ran a sensationalized report about a black teenager assaulting a white woman in an elevator in Tulsa, Oklahoma. This triggered the 1921 Tulsa race massacre.A white racist mob attacked the Greenwood district, which was a thriving black community. The violence and bloodshed lasted for two days and 300 black Americans were killed. Homes were burned and looted.Thousands were displ ...