Premise: In Australia, Australian National Flag Day is celebrated on 3 September. It commemorates the day in 1901 on which the Australian National Flag was first flown. On that day Prime Minister Edmund Barton announced the winners of a competition to design a flag for Australia. A large flag, 5.5 by , was flown over the dome of the Royal Exhibition Building in Melbourne.
Hypothesis: Australia did not have its own flag on Sept 3, 1900