 It was once one of the most affluent African-American communities in the United States and referred to as Black Wall Street.In 1921, thirty-five blocks of businesses and residences were burned in this district during the infamous Tulsa Race Riot, the bloodiest racial riot in the history of the United States.The Oklahoma Legislature passed laws in 2001 aimed at revitalizing Greenwood, setting up a scholarship fund for college-bound descendants of riot victims and appropriating $2 million for a riot memorial.