This is a list of British television related events from 1972. Events January 19 January – The government of Edward Heath announces the lifting of all restrictions on broadcasting hours on television and radio. February No events. March 1 March – Border begins broadcasting in colour from the Selkirk transmitter. 25 March – The 17th Eurovision Song Contest is held at the Usher Hall in Edinburgh. Luxembourg wins the contest with the song Après toi, performed by Vicky Leandros. April 4 April – BBC1 launch the children's news programme Newsround with the presenter John Craven. After a three-year courtship, Emily Nugent marries Ernest Bishop on Coronation Street. 14 April – Hosted by Chris Kelly, Clapperboard, the long-running cinema themed children's programme debuts on ITV. 18 April – ITV Anglia begins showing the first series (following two previous TV movies) of the US detective series Columbo. Starring Peter Falk as the titular "Lieutenant Frank Columbo" in the episode "Murder by the Book". Other ITV regions commence broadcasting the series shortly after. May No events. June Light and Tuneful became the new opening theme tune for the BBC's coverage of the Wimbledon Tennis Championships. July 8 July – Granada broadcasts Sesame Street for the first time. 24 July – The Independent Television Authority (ITA) is renamed the Independent Broadcasting Authority (IBA). August 26 August–11 September – The BBC and ITV broadcast full coverage of the 1972 Summer Olympic Games with the BBC providing approximately eight hours a day of live coverage each day. September 8 September – The department store set comedy series Are You Being Served? debuts on BBC1. The series becomes one of the longest running BBC comedy shows and goes on to spawn a 1977 British feature film and the spin-off series Grace & Favour. 11 September The long running quiz show Mastermind airs for the first time on BBC1. Nationwide starts broadcasting five days a week. Previously, it had been broadcast only on Tuesdays and Thursdays. After eight years of episodes being shown different days at various ITV regions, Crossroads finally gets broadcast across the network with Granada Television showing it for the first time. The series is still being shown at different times across the regions. 17 September – The family adventure series The Adventures of Black Beauty is broadcast on ITV. October 1 October – London Weekend Television launches the UK's first Sunday politics programme –