tradition. 23 April – Aneurin Bevan, recently appointed as Minister of Labour and National Service, together with John Freeman and Harold Wilson, resign from the government in protest at Hugh Gaitskell's announcement in the Budget of 10 April to introduce prescription charges for dental care and spectacles (in order to meet the financial demands imposed by the Korean War). 28 April – Newcastle United win the FA Cup for the fourth time with a 2–0 win over Blackpool at Wembley Stadium. Jackie Milburn scores both goals in front of a crowd of 100,000 spectators. 3 May – George VI opens the Festival of Britain in London, including the Royal Festival Hall, Dome of Discovery and Skylon. This will be last major public event attended by the King and Queen together. Festival Gardens and a fun fair are opened in Battersea Park, and the Lansbury Estate in Poplar is begun this year as a housing showcase. 4 May–6 October – Festival Ship Campania cruises the seaports. 14 May – the first volunteer-run passenger trains run on the Talyllyn Railway in Wales. 25–26 May – spies Guy Burgess and Donald Maclean leave Britain to defect to the Soviet Union. This places suspicion on two other members of the 'Cambridge Five', Kim Philby and John Cairncross, who are obliged to resign their official positions. 28 May First broadcast of The Goon Show radio series. Princess Elizabeth opens the Exhibition of Industrial Power – the latest part of the Festival of Britain – in Glasgow. 29 May – the Easington Colliery explosion leaves 83 people dead. 2 June – Workington F.C. are elected to the Football League in place of New Brighton A.F.C., and will compete in the Football League Third Division North for the 1951-52 season. 26 June – Ealing comedy film The Lavender Hill Mob released. 10 July – boxer Randy Turpin beats the American Sugar Ray Robinson in a fight in London to become world middleweight champion. 17 July – new Port Talbot Steelworks opened at Margam, South Wales. 27 July – the first Miss World beauty pageant is held as a bikini contest as part of the Festival of Britain, at the Lyceum Ballroom, London; Kiki Håkansson of Sweden is the winner. 14 September – Clement Attlee opens the largest oil refinery in Europe at Fawley on Southampton Water. 23 September – George VI has an operation to remove part