Mulatto: The Black History of Calvert County Maryland Posted onDecember 21, 2019December 21, 2019Authorccnaacp This book documents the contributions of the Black citizens of Calvert County, Maryland from 1780 to 1950. The focus is on those people and events that affected National policies. For example the author of the Dred Scott Supreme Court decision was from Calvert County, over six thousand Colored troops were trained in Calvert during the Civil War, and Thurgood Marshall had one of his first Civil Rights cases in Calvert County. A speech given on the development of race and culture, focusing on black history within Calvert County Maryland, given by historian and researcher Michael Kent.