On September 22, 1980, Saddam Hussein launched what he believed would be a quick, victorious war. Iraqi jets bombed Iranian airfields, and six Iraqi army divisions crossed the border into Iran's oil-rich Khuzestan province. Saddam expected the newly established Islamic Republic — still in chaos after its 1979 revolution — to collapse within weeks. He was catastrophically wrong. The war lasted eight years. It became the longest conventional war of the 20th century. It killed between 500,000 and a million people. It saw the use of chemical weapons on a scale not seen since World War I — mustard gas and nerve agents deployed by Iraq against Iranian soldiers and Kurdish civilians. It featured trench warfare reminiscent of the Somme, human wave attacks by Iranian child soldiers, and the "Tanker War" in the Persian Gulf that threatened global oil supplies. When it finally ended in a UN-brokered ceasefire in 1988, neither side had achieved its objectives. The borders were unchanged. The dead were countless. And the Middle East had been scarred for a generation.
Summary: The Iran-Iraq War began on September 22, 1980, when Iraq invaded Iran, seeking to seize the oil-rich Khuzestan province and topple the new Islamic Republic. Saddam Hussein expected a quick victory. Instead, Iran — under the leadership of Ayatollah Khomeini — mobilized a massive resistance. By 1982, Iran had pushed Iraqi forces back and invaded Iraq. The war settled into a brutal stalemate of trench warfare, human wave attacks, and chemical weapons use. Iraq was supported by the United States, the Soviet Union, France, and the Gulf Arab states, who feared the spread of Iran's Islamic revolution. The "Tanker War" in the Persian Gulf drew in the US Navy. The war ended on August 20, 1988, with a UN-brokered ceasefire. Neither side gained territory. An estimated 500,000 to 1,000,000 people died. Both countries emerged economically devastated.
🔥 Saddam's Miscalculation
Saddam Hussein saw the Iranian Revolution of 1979 as both a threat and an opportunity. The revolution had overthrown the Shah — Iraq's historic rival — but it had also plunged Iran into chaos. The Iranian military had been purged of its senior officers. The country was isolated internationally. Khomeini had called for the export of the Islamic revolution to Iraq's Shia majority, whom Saddam brutally suppressed. On September 17, 1980, Saddam abrogated the 1975 Algiers Agreement, which had demarcated the Shatt al-Arab waterway. Five days later, he invaded. Saddam's war aims were clear: seize the Shatt al-Arab, capture Khuzestan (Arabistan, as Iraq called it), overthrow Khomeini, and establish Iraq as the dominant power in the Gulf. He expected the war to last weeks. It lasted eight years.
Saddam's Invasion — September 22, 1980
"The Iraqi tanks rolled across the border at dawn. Saddam promised us a quick victory. He said Tehran would fall in three weeks. We believed him. We were wrong. The war took our sons, our wealth, our future. And for what? Nothing changed." — Iraqi veteran
🕊️ Iranian Human Wave Attacks
By 1982, Iran had expelled Iraqi forces from its territory and launched its own invasion of Iraq. Lacking heavy weaponry — arms embargoes had cut off most supplies, while Iraq was rearmed by the US, USSR, and Europe — Iran turned to mass mobilization. The Basij (volunteer militia) recruited tens of thousands of young boys and old men, many as young as 12. They were given plastic keys to paradise, told they would go directly to heaven if martyred, and sent in human waves to clear Iraqi minefields. The scenes were apocalyptic: children running through minefields so that Iranian soldiers could advance behind them, their bodies blown apart. The human wave attacks achieved some tactical successes but at a horrific cost. Tens of thousands died. The tactic became one of the most enduring and horrifying images of the war.
☠️ Chemical Weapons: The World Looks Away
The Iran-Iraq War saw the largest-scale use of chemical weapons since World War I. Iraq — with the tacit approval of the United States, which provided satellite intelligence on Iranian positions — used mustard gas, sarin, and tabun nerve agents against Iranian soldiers. The worst atrocity came in March 1988, when Saddam's forces attacked the Kurdish town of Halabja with mustard gas and nerve agents, killing 5,000 civilians in a single day — the largest chemical weapons attack against a civilian population in modern history. The world's response was muted. The US and its allies, which were supporting Iraq as a counterweight to Iran, largely looked the other way. The Halabja massacre became a symbol of international indifference — and of Saddam's monstrous brutality.
📖 Legacy: A War That Changed Nothing — and Everything
The Iran-Iraq War ended where it began: the borders were unchanged, the Shatt al-Arab remained contested, and neither regime fell. But the war had profound consequences. It devastated both countries' economies. Iraq emerged with massive debts to Gulf Arab states — debts that would lead Saddam to invade Kuwait in 1990. The war entrenched the Iranian regime, forging a national identity of martyrdom and resistance. It drew the United States into the Persian Gulf, in ways that would eventually lead to the Gulf War, sanctions, and the 2003 invasion of Iraq. And it demonstrated — as chemical weapons rained down on Halabja — that the international community, when it suits its geopolitical interests, will abandon even the most fundamental norms of human decency.