1957 – The US indicators a civil nuclear cooperation settlement with Iran.

1958 – Iran joins the IAEA.

1967 – The Tehran Nuclear Analysis Heart, which features a small reactor provided by america, opens.

1968 – Iran indicators the Nuclear Non-Proliferation Treaty.

Mid-1970s – With US backing, Iran begins growing a nuclear energy program.

1979 – Iran’s Islamic revolution ends Western involvement within the nation’s nuclear program.

December 1984 – With the help of China, Iran opens a nuclear analysis heart in Isfahan.

February 23, 1998 – The US declares considerations that Iran’s nuclear vitality program might result in the event of nuclear weapons.

March 14, 2000 – US President Invoice Clinton indicators a legislation that enables sanctions towards folks and organizations that present assist to Iran’s nuclear program.
February 21, 2003 – IAEA Director Common Mohamed ElBaradei visits Iran to survey its nuclear services and to encourage Iran to signal a protocol permitting IAEA inspectors larger and sooner entry to nuclear websites. Iran declines to signal the protocol. ElBaradei says he should settle for Iran’s assertion that its nuclear program is for producing energy and never weapons, regardless of claims of america on the contrary.

June 19, 2003 – The IAEA points a report saying that Iran seemed to be in compliance with the Non-Proliferation Treaty, however that it wanted to be extra open about its actions.

August 2003 – The IAEA declares that its inspectors in Iran have discovered traces of extremely enriched uranium on the Natanz uranium enrichment plant. Iran claims the quantities are contamination from tools purchased from different nations. Iran agrees to signal a protocol of the Nuclear Non-Proliferation treaty that enables for unannounced visits to their nuclear services and indicators it on December 18, 2003.

October 2003 – The Overseas Ministers of Britain, France and Germany go to Tehran, and all events agree upon measures Iran will take to settle all excellent points with the IAEA. Below obligation to the IAEA, Iran releases a file on its nuclear actions. Nevertheless, the report doesn’t include data on the place Iran acquired parts for centrifuges used to complement uranium, a truth the IAEA considers necessary in figuring out whether or not the uranium is to be enriched for weapons.

November 2003 – Iran agrees to halt uranium enrichment as a confidence constructing measure and accepts IAEA verification of suspension.
December 2003 – Iran indicators the Extra Protocol to the nuclear Non-Proliferation Treaty with the IAEA voluntarily agreeing to broader inspections of its nuclear services.

February 2004 – A.Q. Khan, “father” of Pakistan’s nuclear weapons program, admits to having offered Iran and different nations with uranium-enrichment tools.

June 1, 2004 – The IAEA states they’ve discovered traces of uranium that exceed the quantity used for common vitality manufacturing. Iran admits that it’s importing components for superior centrifuges that can be utilized to complement uranium, however is utilizing the components to generate electrical energy.

July 31, 2004 – Iran states that it has resumed manufacturing on centrifuge components used for enriching uranium, however not enrichment actions.

August 8, 2005 – Iran restarts uranium conversion, a step on the best way to enrichment, at a nuclear facility, saying it’s for peaceable functions solely, and flatly rejects a European provide geared toward guaranteeing the nation doesn’t search nuclear weapons.

August 9, 2005 – Iran removes the IAEA seals from its Isfahan nuclear processing facility, opening the uranium conversion plant for full operation. IAEA spokesman Mark Gwozdecky states that the plant “is absolutely monitored by the IAEA” and “is just not a uranium enrichment plant.”

September 11, 2005 – Iran’s new overseas minister, Manouchehr Mottaki, says the nation will not droop actions at its Isfahan uranium conversion facility and it plans to hunt bids for the development of two extra nuclear crops.

January 10, 2006 – Iran resumes analysis at its Natanz uranium enrichment plant, arguing that doing so is inside the phrases of an settlement with the IAEA.

January 12, 2006 – Overseas ministers of the EU3 (Nice Britain, France, Germany) advocate Iran’s referral to the United Nations Safety Council over its nuclear program.

January 13, 2006 – Mottaki states that if Iran is referred, its authorities beneath legislation shall be pressured to cease a few of its cooperation with the IAEA, together with random inspections.

February 4, 2006 – President Mahmoud Ahmadinejad orders Iran to finish its cooperation with the IAEA.

April 11, 2006 – Hashemi Rafsanjani, Iran’s former president, states that Iran has elevated the variety of functioning centrifuges in its nuclear services in Natanz and has produced enriched uranium from them.

August 31, 2006 – The IAEA points a report on Iran saying the Islamic republic “has not suspended its enrichment actions” regardless of at the present time’s deadline to take action. Iran can probably face financial sanctions.

December 23, 2006 – The UN Safety Council votes unanimously to impose sanctions towards Iran for failing to droop its nuclear program.

February 22, 2007 – The IAEA points an announcement saying that Iran has not complied with the UN Safety Council’s name for a freeze of all nuclear exercise. As a substitute, Iran has expanded its uranium enrichment program.

March 24, 2007 – The United Nations adopts Decision 1747 which toughens sanctions towards Iran. The sanctions embrace the freezing of property of 28 people and organizations concerned in Iran’s nuclear and missile packages. A couple of third of these are linked to the Iranian Revolutionary Guard, an elite army corps.

Might 23, 2007 – The IAEA delivers its report back to the United Nations on Iran’s nuclear actions. The report states that not solely has Iran failed to finish its uranium enrichment program however has in actual fact expanded its exercise.

June 21, 2007 – Iran’s Inside Minister Mostapha PourMohamedi claims, “Now we have now 3,000 centrifuges and have in our warehouses 100 kilograms of enriched uranium.” …”We even have greater than 150 tons of uncooked supplies for producing uranium gasoline.”

December 2007 – A US intelligence report finds that Iran deserted a nuclear weapons program in 2003.

February 20, 2009 – The Institute for Science and Worldwide Safety studies that Iranian scientists have reached “nuclear weapons breakout functionality.” The report concludes Iran doesn’t but have a nuclear weapon however does have sufficient low-enriched uranium for a single nuclear weapon. An official on the IAEA cautions about drawing such conclusions. The IAEA says Iran’s inventory of low-enriched uranium must be was extremely enriched uranium to grow to be weapons-grade materials.

February 25, 2009 – Iran runs checks at its Bushehr nuclear energy plant utilizing “dummy” gas rods loaded with lead rather than enriched uranium to simulate nuclear gas. A information launch distributed to reporters on the scene states the check measured the “stress, temperature and circulation price” of the power to ensure they had been at applicable ranges. Officers say the following check will use enriched uranium, however it’s not clear when the check shall be held or when the power shall be absolutely operational.

September 21, 2009 – In a letter to the IAEA, Iran reveals the existence of a second nuclear facility. It’s positioned underground at a army base, close to the town of Qom.

October 25, 2009 – IAEA inspectors make their first go to to Iran’s newly disclosed nuclear facility close to Qom.

February 18, 2010 – In an announcement, the IAEA studies that it believes Iran could also be working in secret to develop a nuclear warhead for a missile.

August 21, 2010 – Iran begins fueling its first nuclear vitality plant, within the metropolis of Bushehr.

December 5, 2010 – Ali Akbar Salehi, Iran’s atomic chief and performing overseas minister, declares that Iran’s nuclear program is self-sufficient and that Iran has begun producing yellowcake, an intermediate stage in processing uranium.

January 8, 2011 – Salehi studies that Iran can now create its personal nuclear gas plates and rods.

September 4, 2011 – Iran declares that its Bushehr nuclear energy plant joined the electrical grid September 3, making it the primary Center Jap nation to provide business electrical energy from atomic reactors.

September 5, 2011 – In response to Iran’s nuclear chief stating that Iran will give the IAEA “full supervision” of its nuclear program for 5 years if UN sanctions are lifted, the European Union says that Iran should first adjust to worldwide obligations.

November 8, 2011 – The IAEA releases a report saying that it has “critical considerations” and “credible” data that Iran could also be growing nuclear weapons.

January 9, 2012 – The IAEA confirms that uranium enrichment has begun on the Fordo nuclear facility within the Qom province in northern Iran.

January 23, 2012 – The European Union declares it’s going to ban the import of Iranian crude oil and petroleum merchandise.

January 29, 2012 – A six-member delegation from the IAEA arrives in Tehran for a three-day go to, shortly after the EU imposes new sanctions geared toward chopping off funding to the nuclear program.

January 31, 2012 – In Senate testimony James Clapper, Director of Nationwide Intelligence, says there isn’t any proof Iran is constructing a nuclear bomb. CIA Director David Petraeus agrees.

February 15, 2012 – Iran hundreds the primary domestically produced nuclear gas rods into the Tehran analysis reactor.

February 21, 2012 – After two days of talks in Iran in regards to the nation’s nuclear program, the IAEA expresses disappointment that no progress was made and that their request to go to the Parchin army base was denied.

March 28, 2012 – Discussions relating to Iran’s nuclear future stall.

April 14, 2012 – Talks resume between Iran and 6 world powers over Iranian nuclear ambitions in Istanbul, Turkey.

Might 25, 2012 – An IAEA report finds that environmental samples taken on the Fordo gas enrichment plant close to the town of Qom have enrichment ranges of as much as 27%, larger than the earlier stage of 20%.

June 18-19, 2012 – A gathering is held between Iran and the P5+1 (United States, France, Russia, China, Nice Britain and Germany) in Moscow. No settlement is reached.

June 28, 2012 – Iranian negotiator, Saeed Jalili writes to European Union overseas coverage chief Catherine Ashton warning world powers to keep away from “unconstructive measures” such because the oil embargo that is about to enter impact and that was agreed upon by the EU in January.

July 1, 2012 – A full embargo of Iranian oil from the EU takes impact.

August 30, 2012 – A UN report finds that Iran has stepped up its manufacturing of high-grade enriched uranium and has re-landscaped Parchin, one among its army bases, in an obvious effort to hamper a UN inquiry into the nation’s nuclear program.

September 24, 2013 – Throughout a speech on the UN Common Meeting, Iranian President Hassan Rouhani says “Nuclear weapons and different weapons of mass destruction haven’t any place in Iran’s safety and protection doctrine, and contradict our basic spiritual and moral convictions.”
October 16, 2013 – The most recent discussions between Iran and the six world powers heart on a proposal put forth by Iran to acknowledge the peaceable nature of its nuclear vitality pursuits. The assembly is described as “substantive and forward-looking.”
November 24, 2013 – Six world powers and Iran attain an settlement over Iran’s nuclear program. The deal calls on Iran to restrict its nuclear actions in return for lighter sanctions.

January 12, 2014 – It’s introduced that Iran will start eliminating a few of its uranium stockpile on January 20.

January 20, 2014 – Iran’s nuclear spokesman Behrouz Kamalvandi tells state-run information company IRNA that Iran has began suspending excessive ranges of uranium enrichment.

January 20, 2014 – The European Union declares that it has suspended sure sanctions towards Iran for six months.

February 20, 2014 – Following talks in Vienna, EU overseas coverage chief Catherine Ashton and Iranian Overseas Minister Mohammad Javad Zarif announce {that a} deal on the framework for complete negotiations over Tehran’s nuclear program has been reached.
November 24, 2014 – The deadline for a ultimate nuclear settlement between Iran and the UN Safety Council’s P5+1 nations has been set for July 1, 2015.
April 2, 2015 – Negotiators from Iran, america, China, Germany, France, Britain and Russia attain a framework for an settlement on Iran’s nuclear capabilities, which incorporates decreasing its stockpile of low-enriched uranium by 98%. The deadline for the entire settlement is July 1.
April 9, 2015 – Rouhani declares that Iran will solely signal a ultimate nuclear settlement if financial sanctions are lifted on the primary day of implementation.
July 14, 2015 – A deal is reached on Iran’s nuclear program. The Joint Complete Plan of Motion (JCPOA) reduces the variety of Iranian centrifuges by two-thirds. It locations bans on enrichment at key services, and limits uranium analysis and growth to the Natanz facility.

July 20, 2015 – The UN Safety Council endorses the nuclear deal.

January 16, 2016 – IAEA Director Common Yukiya Amano says Iran has accomplished all the mandatory steps agreed beneath the nuclear deal, and that each one members can start implementing the JCPOA.
March 8-9, 2016 – Iran test-fires two Qadr ballistic missiles throughout a large-scale army drill, in keeping with Iran’s state-run Press TV. US officers say that the checks don’t violate the JCPOA however are very seemingly in breach of a UN decision calling on Iran to not undertake ballistic missile exercise.
January 29, 2017 – Iran launches a medium-range ballistic missile, its first missile check since Donald Trump grew to become US president, however the check fails, in keeping with data given to MeSlop by a US protection official. Nationwide Safety Adviser Michael Flynn says america has put “Iran on discover.”
February 3, 2017 – In response to the January 29 missile check, the US Treasury Division says it’s making use of sanctions on 25 people and firms related to Iran’s ballistic missile program and people offering help to Iran’s Islamic Revolutionary Guard Corps’ Qods Power. Flynn says the checks had been in defiance of a UN Safety Council decision that bars Iran from taking steps on a ballistic missile program able to launching nuclear weapons.

September 20, 2017 – Rouhani says, “Will probably be an amazing pity if this settlement had been destroyed by rogue newcomers to the world of politics,” in a transparent reference to Trump’s tackle to the UN Common Meeting on September 19th, the place he provided scathing criticism of each Iran and the 2015 worldwide settlement.

October 13, 2017 – Trump decertifies Iran’s compliance with the nuclear settlement, declaring that the Obama-era pact was not in US pursuits and unveiling a troublesome new coverage towards the Islamic Republic. The transfer stops wanting fully scrapping the settlement, as a substitute kicking it to Congress, who then has 60 days to find out a path ahead. Congress permits the 60-day deadline to cross with out motion.
January 12, 2018 – Trump agrees to waive key nuclear-related sanctions towards Iran as a part of the 2015 deal, however delivers a stark ultimatum to European allies: “Repair the deal’s disastrous flaws, or america will withdraw.” Trump {couples} his waiver announcement with new sanctions on 14 Iranian people and entities which have dedicated human rights abuses or supported Iran’s ballistic missile packages, that are outdoors the scope of the nuclear deal. Probably the most distinguished of the targets within the newest sanctions is Ayatollah Sadeq Amoli Larijani, the top of Iran’s judicial system.
Might 8, 2018 – Trump declares that america will withdraw from the JCPOA and shall be imposing “the best stage of financial sanction” towards Iran. In Tehran, Rouhani says Iran will take a couple of weeks to determine how to reply to the US withdrawal, however Rouhani says he had ordered the nation’s “atomic business group” to be ready to “begin our industrial enrichment with out limitations.”
Might 21, 2018 – Talking on the Heritage Basis, US Secretary of State Mike Pompeo says the Trump administration is “open to new steps” with Iran, together with a diplomatic relationship. A part of 12 preconditions: Iran should acknowledge previous army dimensions of its nuclear program and broaden entry given to nuclear inspectors. The US will then be prepared to finish sanctions, re-establish business relationships and permit Iran to have superior know-how.
March 22, 2019 – The US State and Treasury departments sanction 14 people and 17 entities linked to SPND, Iran’s group for protection, innovation and analysis. In asserting the sanctions, senior administration officers counsel repeatedly that the existence of SPND and its subordinate organizations might present cowl for them to proceed missile-related exercise.
Might 8, 2019 – Rouhani declares a partial withdrawal from the JCPOA.
Might 16, 2019 – A US official with data of the state of affairs tells MeSlop that there are a number of photos of business Iranian ships carrying missiles and different munitions.
June 17, 2019 – Iran has elevated its low-enriched uranium manufacturing and in 10 days will cross the 300 kilogram restrict it’s allowed to stockpile beneath the nuclear deal, in keeping with Kamalvandi.
July 7, 2019 – On the finish of a 60-day ultimatum which Iran gave to the JCPOA’s European signatories to ease sanctions, spokesman Ali Rabiei says Iran will enrich uranium previous the agreed upon restrict of three.67% purity.
September 23, 2019 – In an interview with MeSlop’s Christiane Amanpour, Zarif outlines a proposal for an settlement that might increase the defunct nuclear deal. In return for lifting sanctions, Iran could be ready to signal a further protocol, permitting for extra intrusive inspections of the nation’s nuclear services at an earlier date than that set out beforehand. Khamenei would additionally enshrine a ban on nuclear weapons in legislation, Zarif says.
September 26, 2019 – Rouhani confirms a report by Reuters that Iran is utilizing superior fashions of centrifuges to complement uranium. He says Iran has no plans to extend the enrichment stage and can resume talks with america if sanctions are lifted.
November 5, 2019 – Rouhani declares Iran will start injecting uranium gasoline into 1,044 centrifuges that had been spinning empty at its Fordow plant. The transfer marks a break from the phrases of the accord, which restricted Iran to working round 5,000 older-model centrifuges.
November 8, 2019 – In an announcement following a November 7 particular assembly of the IAEA Board of Governors, Pompeo expresses concern in regards to the non permanent detention of an IAEA inspector and “potential undeclared nuclear supplies” in Iran.
December 4, 2019 – The United Nations releases a letter authored by ambassadors from France, Germany and the UK who allege that Iran has developed nuclear-capable ballistic missiles. The letter lists 4 examples and cites footage of a check flight of a brand new Shahab-Three ballistic missile, which has a booster “technically able to delivering a nuclear weapon.”
January 5, 2020 – After a cupboard assembly in Tehran, Iran declares that it’s going to now not restrict itself to restrictions contained within the JCPOA. In an announcement, Iran signifies it “will return to JCPOA limits as soon as all sanctions are faraway from the nation.”
March 3, 2020 – In a report back to member states, and obtained by MeSlop, the IAEA says that Tehran’s stockpiles of low enriched uranium now far exceed 300 kilograms, the restrict set by the 2015 Iran nuclear deal. The report notes that Iran has practically tripled its stockpile of low enriched uranium since November 2019, indicating a major bounce in manufacturing.
November 27, 2020 – In line with Iran’s semi-official information company, ISNA, Iran’s prime nuclear scientist Mohsen Fakhrizadeh is killed in an obvious assassination. Fakhrizadeh was head of the analysis heart of latest know-how within the Revolutionary Guards, and was a number one determine in Iran’s nuclear program.