Hiram Rhodes Revels (September 27, 1827 – January 16, 1901)

Hiram Rhodes Revels, a Republican from Natchez, Mississippi, 
was sworn into the U.S. Senate on February 25, 1870, becoming
the first African American ever to sit in Congress.

During the Civil War, Revels, a college-educated minister, helped
form African American army regiments for the Union cause,
started a school for freed men, and served as a chaplain for the
Union army.

Drawing of Revels being sworn in.