swimming By greenbean2016 1800 Creating Swimming Swimming was created as a sport. 1904 Breaststroke Add breaststroke in 1904. 1956 Butterfly started! Butterfly stroke was started to be used. 1972 Mark Spitz Most known swimmer before Micheal Phelps 2000 Micheal Phelps Micheal Phelps swam in his first Olympics! Period: 2000 to 2016 Micheal Phelps career (https://www.biography.com/people/michael-phelps-345192)
