trekqueen visit sydneyShare on FacebookShare on Twitter478IMAGESQueen Elizabeth sails into SydneyOctober 20, 1973: The Sydney Opera House Was Officially Opened by QueenQueen MotherA royal visit: Queen Elizabeth in AustraliaQueen Elizabeth II becomes a regular visitor of Australia in the 1970s20 October 1973: The Queen opens the Sydney Opera House
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