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The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .
Milestones in radio: the first half century (1895–1945). The UNESCO courier (February 1997), p. 16–21; Radio Review/Radio Listeners Guide (1925–1929), Broadcasting Yearbook (1935–2010), World Radio TV Handbook (1947–) Berg, Jerome S. The early shortwave stations: a broadcasting history through 1945 (2013) radioheritage.net
The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of broadcasting.
There are also radio stations broadcasting in the Navajo language to members of the Navajo tribe in Arizona, New Mexico, and Utah. [18] Spanish language radio is the largest non-English broadcasting media. While other foreign language broadcasting declined steadily, Spanish broadcasting grew steadily from the 1920s to 1970s.
The history of broadcasting in Canada begins as early as 1919 with the first experimental broadcast programs in Montreal. The Canadians were swept up in the radio craze and built crystal sets to listen to American stations while The Marconi Wireless Telegraph Company of Canada offered its first commercially produced radio-broadcast receiver ...
History of radio; Timeline of radio; History of broadcasting; AM broadcasting. Extended AM broadcast band; FM broadcasting. FM broadcasting in the USA; List of the initial commercial FM station assignments issued by the Federal Communications Commission on October 31, 1940; List of radios – List of specific models of radios; Oldest television ...
The FCC "History Cards" were collections of 5-by-8-inch (13 by 20 cm) index cards, maintained for each AM, FM and TV broadcasting station. They were introduced in early 1927, at the time of the establishment of the Federal Radio Commission (FRC), and were taken over by the Federal Communications Commission (FCC) after its formation in 1934.
23 February – Moray Firth Radio begins broadcasting to Inverness and the surrounding area of north east Scotland. 1 March – Chiltern Radio's broadcast area expands when it begins broadcasting to the Bedford area. April – At the start of the Falklands War, Radio Victory begins 24-hour broadcasting.