1921 is known for which of the following incident ?

A. Tulsa Race Massacre
B. London Race Massacre
C. Madrid Race Massacre
D. None of these

The Tulsa race massacre took place on May 31 and June 1, 1921, when mobs of White residents, some of them deputized and given weapons by city officials, attacked Black residents and destroyed homes and businesses of the Greenwood District in Tulsa, Oklahoma, US.