Events from the year 1980 in Iran.
Incumbents
Supreme Leader: Ruhollah Khomeini
President: Abolhassan Banisadr (starting February 4) Prime Minister: Council of Islamic Revolution (until August 12), Mohammad-Ali Rajai (starting August 12) Chief Justice: Mohammad Beheshti
Events
Beginning of Iran–Iraq War by Iraq. September 23 – Iran Air Force launched Operation Kaman 99 against Iraqi offensive. September 30 – Iranian Air Force launched Operation Scorch Sword against Iraqi nuclear developments in Osirak. October 9 – Iran Air force launched Operation Sultan 10 against Iraqi offensive. November 6 – Iraqi army started Siege of Abadan. November 10 – Iraqi army recaptured Iranian town of Khorramshahr November 28–29 – Iranian Navy and Air Force dismantled most of Iraqi navy in Operation Morvarid.