On this day in 1920, at 7:06pm, a massive earthquake wreaked havoc on the isolated Gansu province in north-central China.
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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