History's 10 worst oil disasters

Published On: Apr 12 2012 12:17:07 PM EDT   Updated On: Apr 20 2015 12:32:36 PM EDT

On the five-year anniversary of the BP Deepwater Horizon explosion in the Gulf of Mexico, take a look back at history's worst oil disasters.

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7. ABT Summer (80 million gallons) -- The Liberian supertanker ABT Summer exploded off the coast of Angola on May 28, 1991, killing five crew members. Millions of gallons of oil leaked into the Atlantic Ocean.