73 years ago today, The Green Hornet radio show debuted.

 

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122 years ago today, people saw some big snowflakes…

 

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5 years ago today, something terrible happened to a whale…
The Exploding Whale Website

 

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14 years ago today, the Russians saw something they didn’t like…

 

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49 years ago today, mankind plumbed the ocean’s depths…

 

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124 years ago today, the roller coaster was patented…

 

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2 years ago today, the Doomsday clock got a time change…

 

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8 years ago today, Wikipedia went online…

 

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399 years ago today, Galileo found something interesting near Jupiter…

 

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101 years ago today, the Grand Canyon became a national monument…

 

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