Original: By the Royal Style and Titles Act 1953 , the Australian Parliament gave the Queen the title Queen of Australia , and in 1973 removed from the Queen 's Australian style and titles any reference to her status as Queen of the United Kingdom and Defender of the Faith .
Simplified: With the Royal Style and Titles Act 1953 , the Australian Parliament gave the Queen the title Queen of Australia . In 1973 her Australian title no longer included her status as Queen of the United Kingdom and Defender of the Faith .