It was a momentous year for the country. The second Mabo decision was handed down, overturning the concept of terra nullius. Paul Keating earned the sobriquet "Lizard of Oz" by resting his hand on Queen Elizabeth's back. And Billy Ray Cyrus' "Achy Breaky Heart" set the nation afire, staying at no. 1 for seven weeks and in the process becoming Australia's favourite song of 1992.