Tulsa race massacre

The Tulsa race massacre, sometimes called as the Tulsa race riot, Tulsa pogrom, or Tulsa massacre, took place on May 31 and June 1, 1921. During the riot, a mob of white citizens attacked black residents and businesses in Tulsa, Oklahoma, United States.
This is considered one of the worst incidents of racial violence in the history of the United States. The attack was made on the ground and by air. It destroyed more than 35 blocks of the district. At the time it was the richest black community in the United States. 
Over 800 people were injured in the riot. It is estimated that over 100 people were killed.