The year 1939 saw a number of significant events in radio broadcasting.
17 June: A trans-Atlantic radio broadcast features coloratura soprano Ewa Bandrowska-Turska singing four songs by Karol Szymanowski from Wawel Castle in Krakow, Poland, for a United States audience on WENR.
15 July: Inauguration of DZRH, one of the oldest radio stations in the Philippines.
7 August: Official test transmissions begin from Radio Andorra. The station is ceremonially inaugurated two days later by the French Minister of Public Works, Anatole de Monzie.
3 September: Neville Chamberlain, Prime Minister of the United Kingdom, announces on the BBC at 11.15 local time (10.15 GMT) that "this country is at war with Germany".
3 September: Fireside chat: On the European War.
11 December: Havana, Cuba's CMQ (since 1959, state-owned Radio Rebelde) becomes the first affiliate for the NBC Red Network based outside of the United States and Canada.
12 December: James M. Cox gains control of WSB and a 40 percent interest in WAGA, both in Atlanta, Georgia.
22 December: KORN begins broadcasting in Fremont, Nebraska, on 1370 kHz.
25 December: Charles Dickens's A Christmas Carol is read for the first time on American radio (CBS).
14 January: Honolulu Bound debuts on CBS.
16 January: I Love a Mystery debuts on west coast NBC stations.
21 January: Brenthouse debuts on the Blue Network.
13 February: The Carters of Elm Street debuts on NBC.
19 February: Norman Corwin's radio series Words Without Music is premiered on the CBS Radio Network.
25 March: Arch Oboler's Plays debuts on NBC.
3 April: Mr. District Attorney (1939–1952) debuts on NBC.
7 April: Author, Author debuts on Mutual.
29 May: When a Girl Marries debuts on CBS.
29 May: The Affairs of Anthony debuts on the Blue Network.
5 June: Caroline's Golden Store debuts on NBC.
18 June: The Adventures of Ellery Queen (1939-1948) debuts on CBS.
2 July: The Aldrich Family debuts on NBC.
3 July: Blondie debuts on CBS.
4 July: Alec Templeton Time debuts on NBC.
1 September: At 20.15 local time the BBC's Home Service begins transmission: this will be the Corporation's only domestic radio channel for the first four months of World War II.
11 September: Brenda Curtis debuts on CBS.
7 October: Art for Your Sake debuts on NBC.
9 October: By Kathleen Norris debuts on CBS.
16 October: Against the Storm debuts on NBC.
17 October: Captain Midnight debuts on WGN.
25 December: The Bartons debuts on the Blue Network.
(December, undated): WCAR, Pontiac, Michigan, begins broadcasting on 1100 kHz with 1 KW power (daytime only).
28 July: KVAK, Atchison, Kansas, begins broadcasting on 1420 kHz with 100 W power (daytime only).
27 February - Alias Jimmy Valentine ends its run on network radio (Blue Network).
7 May - Americans All, Immigrants All ends its run on network radio (CBS).
30 June - Central City ends its run on network radio (NBC Red).
28 July - Her Honor, Nancy James ends its run on network radio (CBS).
1 September – At 18.55 local time BBC engineers receive the order to begin closing down all transmitters in preparation for wartime broadcasting: this marks the end of the National and Regional Programmes of the BBC.
8 September - Calling All Cars ends its run on network radio (CBS West Coast network).
3 March – Larry Burkett (died 2003), American evangelical Christian author and radio personality.
18 December – Alex Bennett, talk show host
1939 in radio Wikipedia (Text) CC BY-SA