The 1988 Scottish Cup Final was played between Celtic and Dundee United at Hampden Park on 14 May 1988. Celtic had reached the final after coming from behind to defeat Hearts 2-1 in the semi-final, while Dundee United had had defeated Aberdeen 1-0 in their semi-final after two replays. The guest of honour was British prime minister Margaret Thatcher, greeted by supporters of both teams by a wave of red cards. As she took her seat, thousands of supporters of both teams sang "you can stick your poll tax up your arse".