In 1921, the Greenwood Avenue district of Tulsa, Oklahoma was an exemplar of what a motivated African American middle class could accomplish. Dubbed, "The Negro Wall Street," Greenwood Avenue was populated by successful African American families, businesses, hospitals and churches. All this would change on May 31.
The race riot of 1906 made international headlines and threatened Atlanta’s image as a thriving New South city. On September 22, 1906 newspapers reported alleged assaults on four white women by black men. After the report white angry men gather in the streets of Atlanta, Georgia with the intentions of attacking and killing every black man they found. https://blackthen.com/the-race-riot-of-1906-that-threatened-atlantas-image-as-a-thriving-new-south-city/
Tulsa Race Riot of 1921 - Two days of riot precipitated by the Ku Klux Klan to run the wealthiest Black district in the US out of town. The National Guard was brought in on June 1 at noon arresting Blacks and bombs were dropped by 6 aircraft leveling 600 businesses, killing many people. The KKK watched the city burning from a distance. Documents surrounding the incident are hard to find. Military force was used with racial motivation to exterminate. Search for "Black Wallstreet"