The movie “Thor” premiered in cinemas in Sydney, Australia.
It was released in the United States on May 6 and earned $449.3 million worldwide.
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Queen Elizabeth II led the Sydney Opera House's grand opening.
The Communist Party of Australia (CPA) was founded in Sydney by a group inspired by the Russian Revolution.
The 2000 Summer Olympic Games opened in Sydney, Australia.
Imperial Japan began a series of submarine attacks on Sydney.
