14 February – The world's first regular wireless broadcasts for entertainment, made by Peter Eckersley, begin transmission on radio station 2MT from a hut at the Marconi Company laboratories at Writtle near Chelmsford in England. Initially they are for half an hour on Tuesday evenings.
19 February – Ed Wynn becomes the first big vaudeville star to join radio. The first broadcast is Wynn's The Perfect Fool and the station is WJZ, New York. This is also the first time in the world that a radio show is broadcast before a studio audience.
10 March – In the United States, Variety magazine prints as its front-page headline "Radio Sweeping Country - 1,000,000 Sets in Use".
11 May – Station 2LO becomes the second radio station to broadcast regularly in the United Kingdom, operating from Marconi House in London, initially for one hour a day. The first radio sports commentary in Britain is made on the station when Arthur Burrows describes a boxing match between Ted "Kid" Lewis and Georges Carpentier at Olympia. No further sports broadcasts are made in the country until 1927 due to pressure from newspapers.
21 July – A limited commercial license is issued for operating radio station WIAE, in Vinton, Iowa, to station manager Marie Zimmerman, making WIAE the first radio station owned and operated by a woman.