The One World Trade Center opened on the original World Trade Center site.
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Explorer Christopher Columbus, on his second voyage, found Dominica and the Kalinago people.
Emperor Constantius II was baptized on his deathbed hours before passing.
NASA launched the last space probe in the Mariner Program, Mariner 10.
Queen Elizabeth II inaugurated the flow of oil from the UK's first-ever oil pipeline.
Political activist and French playwright Olympe de Gouges was guillotined.
