During the Iran–Iraq War (1980–1988), Iraq engaged in chemical warfare against Iran on multiple occasions, including more than 30 targeted attacks on Iranian civilians.
[2] According to a 2002 article in the American newspaper The Star-Ledger, 20,000 Iranian soldiers and combat medics were killed on the spot by nerve gas.
In 1979, due to Saddam Hussein's policies as well as those of leading Ba'ath Party officials and senior military officers, the Iraqi Army underwent increasing politicization.
[6] Reporter Michael Dobbs of the Washington Post stated that Reagan's administration was well aware that the materials sold to Iraq would be used to manufacture chemical weapons for use in the war against Iran.
A report stated that Dutch, Australian, Italian, French and both West and East German companies were involved in the export of raw materials to Iraqi chemical weapons factories.
The best-known substances used by the Iraqi army were organophosphate neurotoxins, known as nerve agents Tabun, Sarin, and mustard gas.
The Iraqi army began extensive chemical attacks in 1984, by using tons of sulfur mustard and nerve agents on the Majnoon Islands.
Iraqi General Hamdani called the fighting for the liberation of the peninsula another "Battle of the Somme", where both militaries suffered huge losses.
As a result, according to the field inspections, clinical examinations of casualties and laboratory analyses of samples done by the UN fact-finding team's investigations, the use by the Iraqi army of mustard gas and nerve agents against Iranians was confirmed.
After the invasion, Saddam's son Uday tried to find chemical weapons in Iraq and use them against coalition forces, but he failed to do so.