On this day: May 20

Published On: May 17 2013 04:26:12 PM CDT   Updated On: May 20 2016 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 - Mindy Cohn
18 / 33
Sony Pictures Television

1966: Actress Mindy Cohn, best known for playing Natalie Green on the 1980s sitcom "The Facts of Life," is born in Los Angeles, California.

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