Wikipedia had nothing, but the history Channel wbesite did: May 31st throughout history, I'm 1991, but nothing is listed: 1962: Adolf Eichmann, the architect of the Nazi holocaust is executed in Israel. 1998: Geri Halliwell confirms she's leaving the successful British group The Spice Girls. 1961: South Africa becomes an independent republic outside the British Commonwealth. 1939: Denmark signs a non-aggression pact with Germany. 1859: Big Ben, in the clock tower of the Houses of Parliament in London, first begins recording time. *Edit* May 31st, 1991: Minnie Munro (Australia), aged 102, married Dudley Reid, 83 - a man who as some have pointed out, is technically young enough to be her son - on 31st May 1991. The marriage took place at Point Clare, New South Wales, Australia.