1923 in radio details the internationally significant events in radio broadcasting for the year 1923. Events 1 January – In the United States the well-known American Football Rose Bowl Game is broadcast for the first time, on Los Angeles station KHJ. 4 January – WEAF in New York City and WNAC in Boston simultaneously broadcast a saxophone solo—the first network broadcast. 8 January – First outside broadcast by the British Broadcasting Company: a British National Opera Company production of The Magic Flute from the Royal Opera House, Covent Garden. 18 January – The United Kingdom Postmaster General grants the BBC a licence to broadcast. 20 January – Inauguration of Paris PTT, a station organized by and broadcasting from the École supérieure des postes et télégraphes (the French post office's higher educational institute of engineering). 8 February – Norman Albert calls the first live broadcast of an ice hockey game, the third period of an Ontario Hockey League Intermediate playoff game, on Toronto radio station CFCA. 13 February – First BBC broadcast from Cardiff, Wales (station 5WA). 6 March – First BBC broadcast from Glasgow, Scotland (station 5SC). 13 March – Production of the first radio set incorporating a loudspeaker. All previously produced sets have required the use of headphones. 14 March – Pete Parker calls the play-by-play of the first ice hockey game ever broadcast on the radio in its entirety, between the Regina Capitals and the Edmonton Eskimos of the Western Canada Hockey League. 1 April – In Vienna the Czeija & Nissl electrical company begins test transmissions from its premises in co-operation with a technical high school, the Technisches Gewerbemusem. This marks the start of radio broadcasting in Austria. 2 May – WCAE signs on as Pittsburgh's third radio station. 14 May – RCA purchases WJZ from the Westinghouse Electric Corporation; it would also have its city of license transferred from Newark, New Jersey to New York. 18 May – The first regular radio broadcasts begin in Czechoslovakia. 1 June – The publicly owned Canadian National Railways establishes the CNR Radio network to supply programming on its fleet of passenger cars; it is the first national network in North America and precursor to the Canadian Broadcasting Corporation. 3 July – WSAR in Fall River, Massachusetts, makes its first broadcast, having been licensed in the previous month. 21 July – The Dutch radio manufacturing company Nederlandsche Seintoestellen Fabriek begins