1963 1964 1965 1966 1967 1968 1969 1970 1971 1972   Health Education Council established WHO embarks on eradication of smallpox Star grading for petrol introduced 5,000 attend Legalise Pot rally in Hyde Park Abortion Bill becomes law Dartford Tunnel opens Horse-racing is suspended in foot-and-mouth epidemic     Copyright © 1998, NHS