8 March – Westinghouse Electric, owner of KDKA among other stations, announces from its Pittsburgh headquarters a proposal to form "radio networks" via shortwave technology.
22 March – JOAK, NHK Radio One of Tokyo, an official inauguration service start, and a first license radio station in Japan.[citation needed]
1 April – In Denmark, Radioordningen (Statsradiofonien from 1926, Danmarks Radio from 1959) is established.
14 January – First broadcast on Swedish national radio (AB Radiotjänst) of one of the world's longest-running radio programmes, Barnens brevlåda ("Children's letterbox"), which will run for 1,785 editions – all presented by "Uncle Sven" (the radio sports commentator Sven Jerring) – until 1972.
8 April – Station WADC commences regular programming in Akron, Ohio. It had debuted earlier (in February 1925) as a temporary station during a car show held at the Central Garage, the call letters standing for the station's sponsor, the Automotive Dealers Company. Known from 2 June 2005 as WARF, it becomes Akron's oldest surviving radio station.
23 September – In Decatur IL, WJBL signs on, now referred to as WSOY.