This Day in History ClassOn this day in 1930, junior astronomer Clyde Tombaugh discovered that Pluto was a planet. Learn even more about Pluto on the episode of Stuff You Missed in History Class, Pluto: The Demoted Dwarf Planet.
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This Day in History Class
From the desk of “Stuff You Missed in History Class,” “This Day in History Class” quickly recounts a…Social links
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A laugh track is used in a TV show for the first time - September 9th, 1950
08:03
Carnation processes its first cans of evaporated milk - September 6th, 1899
10:13
AIDS activists wrap a giant condom over Senator Jesse Helms’ house - September 5th, 1991
09:45