Indiana Jones and the Last Crusade, directed by Steven Spielberg and produced by George Lucas, premiered.
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Lugano, Switzerland, hosted the first Eurovision Song Contest.
President Arthur and NY Governor Cleveland opened the Brooklyn Bridge.
Star Trek episode 'Second Chances' aired, guest-starring Mae Jemison.
Scott Carpenter orbited the Earth three times in the US Aurora 7.
The United States and Russia signed the Moscow Treaty, agreeing to limit their nuclear arsenals.
