1922 | October 18 – The British Broadcasting Company, as the BBC was originally called, is formed by a group of leading wireless manufacturers including Marconi.
Left: BBC/PMG stamp, November 1st 1922 to September 1924. Centre: BBC/EBM stamp, September 1924 to 1927. Right: B.B.C. ‘Trademark’ stamp, September 1924 to 1927