Question: When did they change the australian national anthem?
Answer: 1984
Disambiguated annotations:
qaPairs: question: When did they officially change the australian national anthem to a modified version of "Advance Australia Fair"?
answer: 19 April 1984
question: When did they reinstate "God Save the Queen" as the australian national anthem for ceremonial occasions?
answer: January 1976
question: When did they first conduct a national survey regarding changing the australian national anthem to "Advance Australia Fair"?
answer: 1974
question: When did they conduct a formal vote regarding changing the australian national anthem to "Advance Australia Fair"?
answer: 21 May 1977