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IBM unveils the PC Convertible, the first laptop computer.
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June 23 – Eric Thomas develops LISTSERV, the first email list management software.
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The first heart-lung transplant takes place.first lung transplant
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3D printing is developed by Charles Hull.
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The Morris worm is unleashed on the Internet.
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The Netherlands becomes the second country to get connected to the Internet.
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The Northrop Grumman B-2 Spirit "Stealth Bomber" aircraft, developed for the United States Air Force, first flies.
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A federal grand jury indicts Cornell University student Robert Tappan Morris, Jr. for releasing a computer virus, making him the first person to be prosecuted under the 1986 Computer Fraud and Abuse Act in the United States.
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The first known web page is written.
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Satoshi Tajiri begins creating the first Pokémon game.