1970 1971 1972 1973 1974 1975 1976 1977 1978 1979   Labour wins the Election and Harold Wilson is Prime Minister Free family planning for all on the NHS Mass hysteria grips audience at David Cassidy concert Twenty-eight killed in massive explosion at a chemical plant in Flixborough, Humberside Nixon resigns over Watergate Nurses get pay rises of up to 58 per cent Britain's first Macdonald's opens in south London Republican prisoners set fire to the Maze Prison and attack guards visiting restrictions Five Irishmen arrested after Birmingham pub bombings     Copyright © 1998, NHS