The first amateur to win a grand slam in tennis was Don Budge. He was an American from California, and won the event in 1938.
Rod Laver was the only Tennis player who won the Grand Slams in both amateur and open era.
Althea Gibson was the first black tennis player to win a Grand Slam title (1956). Arthur Ashe was the first MALE black tennis player to win a Grand Slam title (1968).
Arthur Ashe was the first African American tennis player who won 3 grand slam titles.
Don Budge (USA) is the first man to win tennis grandslam.
Don Budge in 1938.