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When did the Deepwater Horizon rig sink after the explosion?
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Deepwater Horizon oil spill
Fireboat response crews attempt to extinguish the blaze aboard the Deepwater Horizon oil rig in the Gulf of Mexico, April 21, 2010.
The Deepwater Horizon oil rig sank on the morning of April 22, 2010, two days after the catastrophic explosion that occurred on April 20, 2010.123