Nearly one million people protested for the disarmament of nuclear weapons in Central Park, New York City.
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Michael Bay's Transformers premiered in Sydney, Australia.
Queen Elizabeth II reopened the reconstructed Globe Theatre in London.
The US Supreme Court ruled interracial marriage legal.
The first Indiana Jones movie, 'Raiders of the Lost Ark' by Steven Spielberg, was released.
The Fontana dei Quattro Fiumi, a fountain, was unveiled in Rome.