- Jun 1 78th Belmont Stakes: Warren Mehrtens aboard Assault wins in 2:30.8; 7th horse to win the Triple Crown
- Jun 6 The Basketball Association of America is formed in New York City
- Jun 7 MLB Pittsburgh Pirates players attempt to unionize and vote 20-16 to go on strike rather than play the New York Giants; vote fell short of required 2/3 majority and union fizzles, and Pirates win 10-5 at Forbes Field, Pittsburghn
- Jun 9 66,545 fans help Yanks break million attendance mark, the earliest
Louis vs Conn
Jun 9 Joe Louis KOs Billy Conn in 8 for heavyweight boxing title
46th US Men's Open
Jun 16 US Open Men's Golf, Canterbury GC: World War II veteran Lloyd Mangrum defeats Byron Nelson and Vic Ghezzi in 36 playoff holes to win his only major title
Veeck Buys Cleveland
Jun 21 Bill Veeck buys MLB baseball team Cleveland Indians for $2.2 million
Bedser Takes 7-49
Jun 22 English cricketer Alec Bedser takes 7-49 v India on 1st day of his 1st Test cricket at Lord's
- Jun 28 Permanent radio play-by-play of Cleveland Indians games begins
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