On this day: June 21

Published On: Jun 20 2013 02:10:40 AM CDT   Updated On: Jun 21 2016 01:00:00 AM CDT

The first Ferris Wheel opens in Chicago, Lou Gehrig retires, Johnny Cash releases his first single, the WNBA begins play, and a TV icon and a blues legend both die, all on this day.

OTD June 21 - first medical degree
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1768: The first commencement of a U.S. medical college is held at the College of Philadelphia, with the school granting 10 bachelor of medicine degrees. Being alphabetically at the head of the list, John Archer (pictured) thus became the first doctor in the U.S. to receive such a degree.

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