The year 1933 saw a number of significant events in radio broadcasting.
- 14 January – In Spain, radio station EAJ-24 Radio Córdoba begins transmission, its first broadcast coming from the Conservatorio Superior de Música in the city.
- 24 February – In New Zealand, station 2YC Wellington is opened.
- 12 March – Fireside chat: On the Bank Crisis (the first fireside chat).
- 7 May – Fireside chat: Outlining the New Deal Program.
- 31 May – As the first step towards removing advertising from public radio, the French government introduces a broadcast receiving licence fee payable by owners of radio sets (15 francs per crystal set, 50 francs per valve radio).
- 24 July – Fireside chat: On the Purposes and Foundations of the Recovery Program.
- 18 August – In Germany, the Volksempfänger ("people's receiver"), a readily affordable radio set designed to be capable, as far as possible, of picking up only the transmissions of government-controlled stations, is presented at the 10th International Radio Show, Berlin.
- 22 October – Fireside chat: On the Currency Situation.
- 31 January – The Lone Ranger (1933–1955) debuts on WXYZ Detroit.
- 7 March – Marie the Little French Princess debuts on CBS as the first daytime radio serial.
- 17 March – The Armour Jester debuts on the NBC Blue Network.
- 11 June – Carefree Carnival debuts on NBC Red.
- 23 June – The Breakfast Club debuts on the NBC Blue Network.
- 31 July – Jack Armstrong, the All-American Boy debuts on CBS.
- 14 August – Ma Perkins debuts on WLW Cincinnati. On 4 December, the program moves to the full NBC Red Network.
- 24 September – Broadway Varieties debuts on CBS.
- 25 September – The Tom Mix Ralston Straight Shooters debuts on NBC.
- 2 October – The National Barn Dance debuts on the NBC Blue Network.
- 8 October – The Baker's Broadcast debuts on the NBC Blue Network.
- 22 October – The American Revue debuts on CBS.
- 30 October – The Romance of Helen Trent debuts on CBS.
- 11 November – The Admiral Byrd Broadcasts debuts on CBS.
- 29 November – Calling All Cars debuts on CBS West Coast network.
- UNDATED – The Oldsmobile Program debuts on CBS.
- 13 March – Gloria McMillan, American actress who played Harriet Conklin in Our Miss Brooks.
- 17 June – Harry Browne (died 2006), American libertarian writer, politician, and U.S. Presidential candidate in 1996 and 2000. Also a radio talk show host.
- 3 December – Les Crane (died 2008), San Francisco-based radio announcer and television talk show host who won a Grammy for his recording of the poem, Desiderata.
- An Encyclopedia of New Zealand 1966
- 100 ans de radio (in French)
- Cox, Jim (2008). This Day in Network Radio: A Daily Calendar of Births, Debuts, Cancellations and Other Events in Broadcasting History. McFarland & Company, Inc. ISBN 978-0-7864-3848-8.
- Dunning, John. (1998). On the Air: The Encyclopedia of Old-Time Radio. Oxford University Press. ISBN 978-0-19-507678-3.
- Sies, Luther F. (2014). Encyclopedia of American Radio, 1920-1960, 2nd Edition. McFarland & Company, Inc. ISBN 978-0-7864-5149-4. P. 494.
- "'Our Miss Brooks' Actress Seems Headed For Stage Stardom". The Times. Louisiana, Shreveport. 1 May 1949. p. A-17. Retrieved 2 February 2018 – via Newspapers.com.
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