- Jun 1 British government grants Cyrenaica (East-Libya) independence
- Jun 1 KSL TV channel 5 in Salt Lake City, UT (CBS) begins broadcasting
- Jun 3 1st African American to graduate from US Naval Academy (Wesley Anthony Brown)
- Jun 3 Dragnet is 1st broadcast on radio (KFI in Los Angeles)
- Jun 3 Georgia Neese Clark Gray becomes the 1st female Treasurer of the United States
Cavalcade of Stars
Jun 4 "Cavalcade of Stars" television variety program debuts (DuMont); Jackie Gleason made host in 1950
Noddy's 1st Appearance
Jun 5 Enid Blyton's wooden toy character Noddy first appears in the "Sunday Graphic"
- Jun 6 "It Pays To Be Ignorant" game show debut on CBS-TV
- Jun 6 Orapin Chaiyakan becomes the first Thai woman to be elected to the Parliament of Thailand
- Jun 6 WKY (now KTVY) TV channel 4 in Oklahoma City, OK (NBC) 1st broadcast
Nineteen Eighty-Four
Jun 8 Secker & Warburg publishes George Orwell's seminal novel "Nineteen Eighty-Four", set in the totalitarian state of Oceania
49th US Men's Open
Jun 11 US Open Men's Golf, Medinah CC: Cary Middlecoff wins the first of his 2 Open titles, 1 stroke ahead of Clayton Heafner and Sam Snead
Ghana's Convention People's Party
Jun 12 Kwame Nkrumah announces the formation of Ghana's Convention People's Party (CPP), the word "convention" chosen "to carry the masses with us"
- Jun 14 WROC TV channel 8 in Rochester, NY (NBC) begins broadcasting
- Jun 15 Phils Eddie Waitkus, shot by Ruth Steinhagen, 19, at Eddgewater Hotel
- Jun 16 Gas turbine-electric locomotive demonstrated at Erie, Pennsylvania
- Jun 18 "Along Fifth Avenue" closes at Broadhurst Theater NYC after 180 performances
- Jun 20 Central Intelligence Agency Act passes
'Gorgeous Gussie' Shocks Wimbledon
Jun 20 Tennis star Gussie Moran shocks Wimbledon by wearing a short dress "to look good and "move more freely on the court"
Charles vs Walcott
Jun 22 Ezzard Charles beats Jersey Joe Walcott in 15 for National Boxing Association world heavyweight title, at Comiskey Park in Chicago, Illinois
- Jun 23 Dutch Constellation aircraft plunges into the sea near Bari, 33 die
- Jun 23 First twelve women graduate from Harvard Medical School
- Jun 24 "Hopalong Cassidy" becomes 1st network western (NBC)
- Jun 24 A. M. de Jong's murderer, Ton van Gog, arrested in Scheveningen, Netherlands
- Jun 24 Cargo airlines 1st licensed by US Civil Aeronautics Board
- Jun 25 "Long-Haired Hare", animated short starring Bugs Bunny, is released in theaters
- Jun 25 Presidential election in Syria (some women allowed to vote)
- Jun 26 1st Belgian parliamentary election where women can vote (CVP gains)
- Jun 27 "Captain Video & His Video Rangers" debut on DUMONT-TV - Television's first sci-fi series
- Jun 29 US troops withdraw from Korea after WW II
- Jun 30 Dutch troops evacuate Jakarta