Debuts
- 12 February – The Eveready Hour debuts on WEAF. It is considered the first commercially-sponsored variety program in the history of broadcasting.
- 4 March – KFOR in Lincoln, Nebraska begins transmitting. The station is still on the air today.
- 16 September – WEBK in Grand Rapids, Michigan begins transmitting. Because its original owners were backed by the Furniture Manufacturers Association of Grand Rapids, the station later receives the appropriate WOOD call letters.
- 30 September – WAHG (now WCBS) in New York City begins transmitting.
- 13 October – 774 ABC Melbourne begins transmitting.
- 24 October – WGBS (now WINS) in New York City is signed on by the Gimbel Brothers department store.
- 20 December – First broadcast of the Norwegian children's radio programme Lørdagsbarnetimen ("Saturday children's hour") – still on the air today on NRK radio, making it the world's longest-running radio show.
Read more about this topic: 1924 In Radio