January 29 – The Brooklyn DodgerscatcherRoy Campanella suffers a broken neck in an early morning auto accident on Long Island. His spinal column is nearly severed and his legs are permanently paralyzed.
January 30 – Commissioner Ford Frick announces that players and coaches, rather than the fans, will vote for the All-Star teams.
A FIBA European Champions Cup (present day of Euro Basketball League), first official game held on February 22, and Rīgas ASK won first season on title.[1]
December 10 – Light-heavyweight champion Archie Moore is knocked down three times in the first round and once more in the fifth round by Yvon Durelle but Moore held on to come back to knock out Durelle in the 11th round.
Tim Tam, who had won the Kentucky Derby and Preakness, fractured a sesamoid bone and lost his chance for the Triple Crown when he hobbled across the finish line in second place at the Belmont Stakes.
June 29 – US swimmer Nancy Ramey sets the first official world record in the women's 200m butterfly at a meet in Los Angeles, clocking 2:40.5.
September 13 – Tineke Lagerberg from the Netherlands takes over the world record in the women's 200m butterfly during a meet in Naarden, the Netherlands – 2:38.9.