Events in Sport
- Mar 17 Dominion Hockey Challenge Cup (Stanley Cup): Montreal Hockey Club claim inaugural trophy after finishing top of final Amateur Hockey Association of Canada standings with a 7–1–0 record
- Mar 24 55th Grand National: Bill Dollery aboard 9/2 favourite Cloister wins by a massive 40 lengths from Aesop; owner Charles Duff fields 2 more winners 1912-13
Birthdays in Sport
- Mar 9 Billy Southworth, American Baseball HOF manager (World Series 1942, 44 St. Louis Cardinals; Boston Braves) and outfielder (World Series 1926 NY Giants), born in Harvard, Nebraska (d. 1969)
- Mar 18 Costante Girardengo, Italian cyclist, born in Novi Ligure, Italy (d. 1978)
- Mar 24 George Sisler, American Baseball HOF first baseman (AL MVP 1922; AL batting champion 1920, 22 St. Louis Browns) and manager (St. Louis Browns 1924–26), born in Manchester, Ohio (d. 1973)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions