Gordie Howe Fastest Goal
Apr 1 Detroit Red Wings right wing Gordie Howe scores 2 goals and an assist, and sets a Stanley Cup playoff record for fastest goal from the start of a game (:09) in a 4-3 2OT win over Toronto in Game 5 of the Semi-Finals
- Apr 6 Montreal Canadiens score 3 goals in 56 sec in playoff game against Det
- Apr 10 108th Grand National: Bryan Marshall wins aboard Royal Tan at 8/1; second consecutive GN victory for both Marshall and trainer Vincent O'Brien
- Apr 10 Wales beats Scotland, 15-3 at the St. Helen's Ground, Swansea to share Five Nations Rugby Championship with France and England; France's first title
US Masters Golf
Apr 12 18th US Masters Tournament, Augusta National GC: Sam Snead wins his 3rd and final Masters by 1 stroke in an 18-hole playoff with Ben Hogan
- Apr 12 8th NBA Championship: Min Lakers beat Syracuse Nationals, 4 games to 3
- Apr 13 Baltimore Orioles 1st game, loses to Tigers in Detroit 3-0
Aaron's 1st Game
Apr 13 Milwaukee Braves' Hank Aaron's 1st game
- Apr 15 Orioles 1st game in Baltimore beat White Sox 3-1
- Apr 15 Yankees dedicate a plaque to Edward Barrow
- Apr 16 Stanley Cup Final, Olympia Stadium, Detroit, MI: Detroit Red Wings beat Montreal Canadiens, 2-1 in OT for a 4-3 series victory
- Apr 19 58th Boston Marathon won by Veikko Karvonen of Finland in 2:20:39
Demar's Last Race
Apr 19 7-time winner of Boston Marathon, 65-year-old Clarence Demar, runs his last race at Boston finishing 78th
- Apr 22 NBA adopts 24-second shot clock & 6 team-foul rule
- Apr 23 Hammerin' Hank Aaron hits 1st of his 755 homers