Short answers, pulled from the story.
The first live public broadcast in Britain occurred in June 1920 from the Marconi Company factory in Chelmsford. The performance featured the Australian soprano Dame Nellie Melba.
The British Broadcasting Company Ltd was formed on the 18th of October 1922 by a consortium of leading wireless receiver manufacturers. John Reith was appointed as its general manager in December 1922.
The BBC became a public service on the 1st of January 1927 under the leadership of John Reith. Reith served as the first director general and defined the corporation's soul with the directive to inform, educate, and entertain.
During the Second World War, the BBC European Service gathered intelligence while regional workers censored material based on geo-political climates. The BBC Polish Service was heavily censored to avoid jeopardizing relations with the Soviet Union, and music by 99 German, 38 Austrian, and 38 Italian composers was blacklisted by 1940.
The BBC monopoly on radio services ended on the 8th of October 1973 when the UK's first Independent local radio station, LBC, came on-air in the London area. This followed the introduction of competition from the commercial television network ITV in 1955.
The television licence costs 169.50 pounds per year per household as of April 2024 and serves as the principal means of funding the BBC. The licence is classified as a tax and is required to legally receive broadcast television across the UK, the Channel Islands, and the Isle of Man.