On this date in 1921 – a race riot occurred in Tulsa, Oklahoma. A white mob started the Tulsa race riot, attacking residents and businesses of the African-American community of Greenwood in Tulsa, Oklahoma in what is considered one of the worst incidents of racial violence in the history of the United States. The attack, carried out on the ground and by air, destroyed more than 35 blocks of the district, at the time the wealthiest black community in the nation. More than 800 people were admitted to hospitals and more than 6,000 black residents were arrested and detained. The Oklahoma Bureau of Vital Statistics officially recorded 39 dead; however, the American Red Cross estimates more than 300.