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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Imperial Japan began a series of submarine attacks on Sydney.
The 2000 Summer Olympic Games opened in Sydney, Australia.
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.
