was the first african american to be appointed to the u.s. supreme court.?
<answer> President Lydon B. Johnson appoint Thurgood Marshall to be the first African-American US Supreme Court justice in 1967. <context> President Lydon B. Johnson appoint Thurgood Marshall to be the first African-American US Supreme Court justice in 1967. Marshall retired from the Court just before the beginni…ng of the 1991 Term and was succeeded by the second African-American justice, Clarence Thomas.