1925 in radio
The year 1925 saw a number of significant events in radio broadcasting history.
Events
1 January – In Sweden, AB Radiotjänst (forerunner of Sveriges Radio) broadcasts its first programme.
8 March – Westinghouse Electric, owner of KDKA among other stations, announces from its Pittsburgh headquarters a proposal to form "radio networks" via shortwave technology.
1 April – In Denmark, Radioordningen (Statsradiofonien from 1926, Danmarks Radio from 1959) is established.
23 April – KRO (the Katholieke Radio Omroep) is established in the Netherlands.
17 June – In Spain, Unión Radio opens station EAJ-7 Radio Madrid.
25 September – The Berliner Funkturm (Berlin Radio Tower) begins transmissions.
1 November – VARA (the Vereeniging van Arbeiders Radio Amateurs) is established in the Netherlands.
Debuts
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 was to run for 1,785 editions – all presented by "Uncle Sven" (the radio sports commentator Sven Jerring) – until 1972.
