On this day: May 20

Published On: May 17 2013 04:26:12 PM CDT   Updated On: May 20 2014 01:00:00 AM CDT

Vasco da Gama arrives in India, Christopher Columbus dies, Norman Rockwell makes his Saturday Evening Post cover debut, HIV is discovered, and "Cheers" airs its series finale, all on this day.

OTD May 20 - Kinetoscope
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Public domain

1891: Thomas Edison's prototype Kinetoscope motion picture viewer is publicly demonstrated for the first time, for approximately 150 members of the National Federation of Women's Clubs. The club women looked inside a peephole on top of a cabinet to see a three-second film of the device's inventor, Edison's employee William Dickson, bowing, smiling and passing a hat from hand to hand.

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