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I Iran-Iraq War

History

1980-1988: invasion, trenches, tanker war, Halabja and UN Resolution 598.

Educational history. Casualty figures are documented ranges. This is not operational advice, a ranking of nations, or a how-to for weapons or coups.

At a glance
Timeline

Milestones in order. This is history, not a weekly activity grid.

1980-09-22 Invasion1980-11 Khorramshahr1982-05 Liberation of Khorramshahr1984 Tanker war intensifies1986-02 Faw Peninsula1987-07 UN 5981987-88 US reflagging1988-03-16 Halabja1988-07-03 Iran Air 6551988-08-20 Ceasefire
  1. Invasion
  2. Khorramshahr
  3. Liberation of Khorramshahr
  4. Tanker war intensifies
  5. Faw Peninsula
  6. UN 598
  7. US reflagging
  8. Halabja
  9. Iran Air 655
  10. Ceasefire
Score intensity

Darker cells mean a higher score for this topic on that metric.

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Quick answers

Are the scores a ranking of nations or armies?

No. Scores are browsing aids inside an era-bounded atlas — not live league tables of countries.

How many died?

About 500,000-1 million dead is the usual published band. Iranian military deaths are often put near the higher end of hundreds of thousands; Iraqi deaths are also in the hundreds of thousands. Precision is impossible.

Why did Iraq invade?

Border and Shatt claims, fear and opportunity after Iran's revolution, and Saddam's bid for Gulf primacy. Most historians treat it as an Iraqi decision, not an accident.

Did Iran become the invader?

After 1982, Iranian forces fought on Iraqi soil seeking a political end. That choice is central to debates inside Iran about whether the war should have stopped at the border.

Were chemical weapons used?

Yes. Documented Iraqi use against Iranian troops and against Kurdish civilians (Halabja). This is a historical and legal fact, not a technical discussion.

How did it end?

Iran accepted 598 in 1988 after military setbacks and isolation. A UN-monitored ceasefire followed. Neither side achieved its maximal aims.

Start with this section - History

The 1975 Algiers line and the 1979 revolution are the twin prefaces. Without both, 22 September 1980 is unintelligible.

Calling it the "First Gulf War" in some US usage collides with 1991's name -- this page uses Iran-Iraq War.

Timeline

  1. Invasion

    Iraqi forces cross into Iran; air strikes on airfields.

  2. Khorramshahr

    City falls to Iraq after brutal fighting -- a symbolic first loss for Iran.

  3. Liberation of Khorramshahr

    Iranian recapture; the invasion is mostly reversed. The decision to continue the war follows.

  4. Tanker war intensifies

    Shipping in the Gulf becomes a second front.

  5. Faw Peninsula

    Iran seizes Faw; Iraq later expends heavily to retake it in 1988.

  6. UN 598

    Security Council demands ceasefire; Iraq accepts earlier, Iran later.

  7. US reflagging

    Kuwaiti tankers under US flag; naval clashes with Iran.

  8. Halabja

    Chemical massacre of Kurdish civilians.

  9. Iran Air 655

    USS Vincennes shoots down a civilian airliner; 290 dead.

  10. Ceasefire

    Guns stop under 598; no parade in either capital.

Eras

Iraqi offensive

Invasion, Khorramshahr, failure to collapse Tehran.

Iranian choice

Liberation, then war on Iraqi soil; trench lines harden.

Internationalisation

Tankers, missiles on cities, more suppliers.

598 and collapse of hopes

Resolution, Halabja, Faw retaken, Iranian acceptance.

Poisoned peace

POWs, debt, Kuwait 1990 as Iraqi sequel.

Milestones

No knockout

The 1980 invasion failed to do what blitz myths promised.

598 as an ending script

A UN text that both exhausted states could sign.

Halabja

A civilian chemical crime on the record.

20 August 1988 stopped the shooting. It did not restore trust or pay the debt.

Iran Air 655 remains a wound in Iranian public memory of the US role.

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