- Mar 6 MLB St. Louis Cardinals announce their players will wear numbers on their uniforms
- Mar 9 NHL Championship: Montreal Canadiens outscore Ottawa Senators, 3-2, in 2
- Mar 23 82nd Grand National: Capt. Tuppy Bennett wins aboard 13-year-old 100/6 shot Sergeant Murphy; first US bred horse to win race
- Mar 31 First dance marathon in New York City; Alma Cummings sets record of 27 hours with 6 different partners
- Mar 31 Stanley Cup Final, Denman Arena, Vancouver, BC: Ottawa Senators (NHL) edge Edmonton Eskimos (WCHL), 1-0 for a 2-0 series sweep