Edward Heath was prime minister of the UK from 1970 to 1974. In 1973, he took the UK into the European Community. Kevin Keegan was an active footballer during this time, playing for and later managing several teams. Olga Korbut and Bjorn Borg both achieved sporting success in the 1970s - Korbut won gold at the 1972 Munich Olympics and Borg won Wimbledon three times between 1976 and 1980. ABBA was a popular music group across Europe and elsewhere during the 1970s and 80s, made up of four Swedish singers. The Queen celebrated her 25-year reign as monarch in 1973. Arsenal won the 1979 FA Cup final against Manchester United with a score of 3-2.