On August 19, 1958, Clara Luper and a group of NAACP Youth Council members entered a segregated drugstore in downtown Oklahoma City. They took seats and asked to be served. On August 21, 1958, the drugstore’s corporate management desegregated its lunch counters in three states.
Sources:
http://www.brainyhistory.com/days/august_19.html
http://en.wikipedia.org/wiki/Clara_Luper
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