Major Oil spills since 1967. 1991

1991

Jan. 23–27, southern Kuwait: during the Persian Gulf War, Iraq deliberately released 240–460 million gallons of crude oil into the Persian Gulf from tankers 10 mi off Kuwait. Spill had little military significance. On Jan. 27, U.S. warplanes bombed pipe systems to stop the flow of oil.

April 11, Genoa, Italy: Haven spilled 42 million gallons of oil in Genoa port.

May 28, Angola: ABT Summer exploded and leaked 15–78 million gallons of oil off the coast of Angola. It's not clear how much sank or burned.