<P> In The Hague, the Netherlands, PCGG started broadcasting on November 6, 1919, making it, arguably the first commercial broadcasting station . In 1916, Frank Conrad, an electrical engineer employed at the Westinghouse Electric Corporation, began broadcasting from his Wilkinsburg, Pennsylvania garage with the call letters 8XK . Later, the station was moved to the top of the Westinghouse factory building in East Pittsburgh, Pennsylvania . Westinghouse relaunched the station as KDKA on November 2, 1920, as the first commercially licensed radio station in America . The commercial broadcasting designation came from the type of broadcast license; advertisements did not air until years later . The first licensed broadcast in the United States came from KDKA itself: the results of the Harding / Cox Presidential Election . The Montreal station that became CFCF began broadcast programming on May 20, 1920, and the Detroit station that became WWJ began program broadcasts beginning on August 20, 1920, although neither held a license at the time . </P> <P> In 1920, wireless broadcasts for entertainment began in the UK from the Marconi Research Centre 2MT at Writtle near Chelmsford, England . A famous broadcast from Marconi's New Street Works factory in Chelmsford was made by the famous soprano Dame Nellie Melba on 15 June 1920, where she sang two arias and her famous trill . She was the first artist of international renown to participate in direct radio broadcasts . The 2MT station began to broadcast regular entertainment in 1922 . The BBC was amalgamated in 1922 and received a Royal Charter in 1926, making it the first national broadcaster in the world, followed by Czech Radio and other European broadcasters in 1923 . </P> <P> Radio Argentina began regularly scheduled transmissions from the Teatro Coliseo in Buenos Aires on August 27, 1920, making its own priority claim . The station got its license on November 19, 1923 . The delay was due to the lack of official Argentine licensing procedures before that date . This station continued regular broadcasting of entertainment and cultural fare for several decades . </P> <P> Radio in education soon followed and colleges across the U.S. began adding radio broadcasting courses to their curricula . Curry College in Milton, Massachusetts introduced one of the first broadcasting majors in 1932 when the college teamed up with WLOE in Boston to have students broadcast programs . </P>

When did radio stations start carrying national news