1970s

1971 - Decimalisation of UK currency

1971 - First personal computer

1973 - First video game - Teletennis

1976 - Plastic becomes the material with the most uses in the world

1976 - Concorde with its custom-made plastic nose goes into service

1977 - Polyethylene terephalate (PET) drinks bottle introduced

1977 - Queen Elizabeth II's Silver Jubilee

1979 - Poly Styrene, lead sing of the Punk band, X-Ray Spex, bursts on the scene with 'The day the world turned day-glo'

1979 - Sony Walkman introduced

1979 - Margaret Thatcher become the UK's first female prime minister