Dr. Carla Hayden was the 1st black Librarian of Congress, 2016.
Bernice Johnson Reagon founded the all-black a cappella ensemble Sweet Honey in the Rock, 1973.
Eleanor Holmes, appointed by President Jimmy Carter, was the 1st black female Chair of the U.S. Equal Employment Opportunity Commission in 1977.
Macon B. Allen was the 1st black man to practice law, passed the Maine bar exam in 1844.
York was an enslaved black explorer who joined the Lewis and Clark Expedition, 1804-1806.