Carl B. Stokes (D-Cleveland) and Richard B. Hatcher (D-Gary, IN) were the elected as the first black mayors of major U.S. cities.
Richert, Lucas Paul. "First black mayors in U.S.". The Literary Encyclopedia. First published 01 November 2008; last revised 30 November -1.
[http://www.litencyc.com/php/stopics.php?rec=true&UID=5676, accessed 20 April 2015.]