Biggest oil spill occurred in
Oil spill refers to the accidental release of the petroleum or liquified hydrocarbons from the tankers or ships either in water or on land. It is considered as one of the severe forms of environmental pollution. The marine or water oil spill has a more adverse effect on the living organisms, causing mass deaths of the aquatic animals. The largest oil spill occurred from the Spill / Tanker Gulf War oil spill in Kuwait, Iraq, and the Persian Gulf that released 818–1,091 Tonnes of crude oil (thousands) in February 1991. Hence, the correct answer is 'February 1991 in Persian Gulf'.