11th US Masters
Apr 6 11th US Masters Tournament, Augusta National GC: Jimmy Demaret wins his 2nd Masters by 2 strokes over Byron Nelson and amateur Frank Stranahan
Leo Durocher Suspended
Apr 9 Baseball Commissioner Happy Chandler suspends Brooklyn Dodger Leo Durocher for 1 year for "association with known gamblers"
Jackie Robinson's MLB Contract
Apr 10 Jackie Robinson becomes first black player of the 20th century to sign a MLB contract; Brooklyn GM, Branch Rickey announces Dodgers had bought Robinson’s contract from Montreal Royals
- Apr 15 Jackie Robinson becomes the first African-American to play in US major league baseball (Dodgers)
- Apr 17 Jackie Robinson bunts for his 1st major league hit
Maurice Richard Named MVP
Apr 19 After scoring 45 goals during the regular season, Montreal Canadiens' Maurice Richard is named MVP
- Apr 19 England beats France, 6-3 at Twickenham to be level on points with Wales for a share of the Five Nations Rugby Championship; first appearance of France in tournament since 1931
- Apr 19 Stanley Cup Final, Maple Leaf Gardens, Toronto, Ontario: Toronto Maple Leafs edge Montreal Canadiens, 2-1 for a 4-2 series win; first all-Canadian final since 1935
- Apr 19 Suh Yun Buck wins world record marathon (2:25:39)
- Apr 21 51st Boston Marathon won by Yun Bok Soh of Korea in 2:25:39; world best time
- Apr 22 1st Basketball Association of America Finals: Philadelphia Warriors beat Chicago Stags, 83-80 to take inaugural series, 4 games to 2
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions