Islamic Republic approved by national referendumMar 30, 1979Labels: Islamic Republic, National ReferendumBritannicaWikipedia
U.S. Embassy seized; Iran hostage crisis beginsNov 4, 1979Labels: U S, Student MilitantsBritannicaWikipedia
New constitution approved in constitutional referendumDec 2, 1979Labels: New Constitution, Clerical OversightWikipediaBritannica
Iraq invades Iran; Iran–Iraq War beginsSep 22, 1980Labels: Iran Iraq, Iraq InvasionBritannicaWikipedia
UN Security Council adopts Resolution 598Jul 20, 1987Labels: UN Security, Resolution 598UN DocsWikipedia
Ceasefire takes effect, ending major Iran–Iraq combatAug 8, 1988Labels: Ceasefire, Iran IraqUN DocsBritannica
Assembly of Experts selects Ali Khamenei as Supreme LeaderJun 4, 1989Labels: Assembly of, Ali KhameneiBritannicaWikipedia
Student protests erupt after dorm raid in TehranJul 8, 1999Labels: Student Protests, Tehran UniversityBritannicaWikipedia
Green Movement protests follow disputed presidential electionJun 13, 2009Labels: Green Movement, Presidential ElectionBritannicaWikipedia
JCPOA Implementation Day begins after IAEA verificationJan 16, 2016Labels: JCPOA Implementation, IAEA VerificationIAEAWikipedia
United States announces withdrawal from the JCPOAMay 8, 2018Labels: United States, JCPOA WithdrawalWhite HouseBritannica
Iran launches missile strikes on U.S. bases in IraqJan 8, 2020Labels: IRGC, Missile StrikeDoDWikipedia
Mahsa Amini dies in custody; nationwide protests beginSep 16, 2022Labels: Mahsa Amini, Nationwide ProtestsBritannicaWikipedia
President Ebrahim Raisi killed in helicopter crashMay 19, 2024Labels: Ebrahim Raisi, Presidential DeathBritannicaWikipedia
Iran announces official termination of JCPOA restrictionsOct 18, 2025Labels: JCPOA Termination, Iran DeclarationGuardianWikipedia