The Westminster Bridge across The Thames opened in London, England.
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John Hancock was unanimously elected President of the Continental Congress.
President Arthur and NY Governor Cleveland opened the Brooklyn Bridge.
Indiana Jones and the Last Crusade, directed by Steven Spielberg and produced by George Lucas, premiered.
Amy Johnson became the first woman to fly solo from the UK to Australia.
Star Trek episode 'Second Chances' aired, guest-starring Mae Jemison.