Army unit carries out a successful arms raid on Gough Barracks in Armagh, signalling the renewal of IRA activity following a long hiatus. 30 June – Britain witnesses its first eclipse since 1927 as the eclipse in America casts its shadow over Europe and Asia. July – Crichel Down affair, a political scandal over compulsory land purchase leads to resignation of Sir Thomas Dugdale, the government minister responsible. 4 July – fourteen years of rationing during and following World War II comes to an end when meat officially comes off ration. 15 July – Donald McGill, the artist of saucy seaside postcards, found guilty of breaching the Obscene Publications Act 1857 in Lincoln. 19 July – United Kingdom Atomic Energy Authority established by the Atomic Energy Act "to produce, use and dispose of atomic energy and carry out research into any matters therewith". 3 August – No. 1321 Flight RAF formed at RAF Wittering to bring the Blue Danube (nuclear weapon) into service with Vickers Valiant aircraft. 4 August – maiden flight of the English Electric Lightning P-1 supersonic fighter plane. 5 August – Julian Slade's musical Salad Days opens in London, following a premiere at the Bristol Old Vic; it becomes the longest-running musical in British theatre history until 1960. September Hunstanton Secondary Modern School, Hunstanton, Norfolk, considered a key building in modern British architecture, designed by Peter and Alison Smithson, opens. Kidbrooke School in the London Borough of Greenwich opens as England's first purpose-built comprehensive school. 3 September – the National Trust for Scotland acquires Fair Isle. 11 September – Roy of the Rovers comic strip first appears, on the cover of Tiger comic. 14 September – Benjamin Britten's chamber opera The Turn of the Screw receives its world premiere at the Teatro La Fenice, Venice. 15 September – the Wolfenden Committee, set up to report on "Homosexual Offences and Prostitution", convenes for the first time 18 September Marble head of Mithras from London Mithraeum unearthed in Walbrook Square. The Last Night of the Proms for the first time features the almost invariable coupling of Sir Henry Wood's 1905 Fantasia on British Sea Songs, Sir Edward Elgar's 1902 setting of "Land of Hope and Glory", Sir Hubert Parry's 1916 setting of William Blake's "Jerusalem", and "Rule, Britannia!". 22 September – Terence Rattigan's plays Separate Tables premiere in London. 13 October – Chris Chataway breaks the world record for