Who was the first African American man elected to the Senate

Hiram Rhodes Revels

Explanation:

During Reconstruction, only the state legislature of Mississippi elected any black senators. On February 25, 1870, Hiram Rhodes Revels was seated as the first black member of the Senate, while Blanche Bruce, also of Mississippi, seated in 1875, was the second. Revels was the first black member of the Congress overall

Answer: Hiram Revels

Explanation: First African American man to take his seat as the first black member of Congress in 1870.