Premise: The 1971 VFA Division 1 Grand Final was an Australian rules football match played between the Dandenong Redlegs and the Preston Bullants. The match was held on Sunday 26 September 1971 at the Junction Oval in St Kilda, Victoria, to decide Division 1 Premiership for the 1971 Victorian Football Association season.
Hypothesis: Australian Rules football has been played since at least 1971.