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The Iran–Iraq War was an armed conflict between Iran and Iraq lasting from 22 September 1980, when Iraq invaded Iran, to August 1988. The war followed a long history of border disputes, and was motivated by fears that the Iranian Revolution in 1979 would inspire insurgency among Iraq’s long-suppressed Shi’ite majority, as well as Iraq’s desire to replace Iran as the dominant Persian Gulf state. Iraq planned to annex the oil-rich Khuzestan Province and the east bank of the Shatt al-Arab (Arvand Rud).
