CONFIRMED83% CONFIDENCEHappened as dated, per the source[1]: "the Sydney Opera House was officially opened by Queen Elizabeth II."
- Start
- Oct 20, 197390% CONFIDENCEfrom the source
Sydney Opera House Officially Opens
Queen Elizabeth II officially opened the Sydney Opera House, capping fourteen years of construction that ran a decade late and far over its original budget.
- Queen Elizabeth II officially opened the Sydney Opera House on 20 October 1973[2][3]
- The opening was celebrated with fireworks and a performance of Beethoven's Symphony No. 9, followed by a two-week festival; the first public performance had been on 28 September 1973[3]
- Work began in 1959 and finished in 1973; cost is given as $102 million by NSW State Archives and $80 million by HISTORY[2][3]
- The building was designed by Danish architect Jorn Utzon and funded by profits of the Opera House Lotteries on Bennelong Point[2]
- The first production in the complex was the Australian Opera's War and Peace in the 1,547-seat Opera Theatre[2]
References 383% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]90%youtube.com/watch?v=51m-YvjmijIyoutube.com· Posted Sep 15, 2026· Starts Oct 20, 1973 ✓· 33% of score
Happened as dated, per the source: "the Sydney Opera House was officially opened by Queen Elizabeth II."
- [2]78%Sydney Opera House opens - HISTORYhistory.com· Added Sep 15, 2026· 33% of score
- [3]82%Sydney Opera House officially opened - Museums of History NSWmhnsw.au· Added Sep 15, 2026· 33% of score
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