BP has reached a historic agreement with five Gulf States to settle the claims made against the company from a massive oil spill in 2010. Take a look back at history's worst oil disasters.
4. Atlantic Empress/Aegean Captain (90 million gallons) -- On July 19, 1979, two gigantic supertankers collided off the Caribbean island of Little Tobago during a tropical rainstorm. The accident killed 26 crew members and dumped millions of gallons of crude oil into the sea.