"Since 1870, when Senator Hiram Revels of Mississippi and Representative Joseph Rainey of South Carolina became the first African Americans to serve in Congress, a total of 124 African Americans have served as U.S. Representatives or Senators. This Web site, based on the book 'Black Americans in Congress, 1870???2007,' contains biographical profiles ... links to information about current black Members, essays ... and images." From the Office of the Clerk, U.S. House of Representatives.