On this day: September 19

Published On: Sep 18 2012 11:48:40 PM CDT   Updated On: Sep 19 2014 01:00:00 AM CDT

George Washington says goodbye, America takes nuclear testing underground, Simon & Garfunkel reunite in Central Park, and emoticons are born, all on this day.

OTD September 19 - oil spill
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kris krüg/Wikimedia Commons

2010: The leaking oil well in the Deepwater Horizon oil spill is permanently sealed. The well had gushed oil since the offshore oil rig sank into the Gulf of Mexico on April 22 after an explosion and resulting fire killed 11 crewman, causing the largest offshore oil spill in U.S. history.

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