The US and Iran have reached an interim deal aimed toward ending the war and reopening the Strait of Hormuz.
There are plans for a signing of the deal on Friday in Switzerland. Nonetheless, earlier bulletins fell by, and what the deal contained remained in dispute Monday.
This is a timeline of the tensions over Iran’s atomic program:
1967 — Iran takes possession of the Tehran Analysis Reactor equipped by America beneath the “Atoms for Peace” program.
1979 — U.S. ally Shah Mohammad Reza Pahlavi, fatally sick, flees Iran as widespread protests in opposition to him surge. Ayatollah Ruhollah Khomeini returns to Tehran and the Islamic Revolution sweeps him to energy. College students seize the U.S. Embassy in Tehran, starting the 444-day hostage disaster. Iran’s nuclear program goes fallow beneath worldwide strain.
August 2002 — Western intelligence companies and an Iranian opposition group reveal Iran’s secret Natanz nuclear enrichment facility.
June 2003 — Britain, France and Germany have interaction Iran in nuclear negotiations.
October 2003 — Iran suspends uranium enrichment beneath worldwide strain.
February 2006 — Iran pronounces it would restart uranium enrichment following the election of hard-line President Mahmoud Ahmadinejad. Britain, France and Germany stroll out of stalled negotiations.
June 2009 — Iran’s disputed presidential election sees Ahmadinejad reelected regardless of fraud allegations, sparking protests referred to as the Inexperienced Motion and a violent authorities crackdown.
October 2009 — Beneath U.S. President Barack Obama, the U.S. and Iran open a secret back-channel for messages within the sultanate of Oman.
July 2012 — U.S. and Iranian officers maintain secret face-to-face talks in Oman.
July 2015 — World powers and Iran announce a long-term, complete nuclear settlement that limits Tehran’s enrichment of uranium in change for the lifting of financial sanctions.
Could 8, 2018 — U.S. President Donald Trump unilaterally withdraws the U.S. from the nuclear settlement, calling it the “worst deal ever.” He says he’ll get higher phrases in new negotiations to cease Iran’s missile growth and help for regional militias. These talks don’t occur in his first time period.
Could 8, 2019 — Iran pronounces it would start backing away from the accord. A collection of regional assaults on land and at sea blamed on Tehran observe.
Jan. 3, 2020 — A U.S. drone strike in Baghdad kills Gen. Qassem Soleimani, the architect of Tehran’s proxy wars within the Center East.
Jan. 8, 2020 — In retaliation for Soleimani’s killing, Iran launches a barrage of missiles at army bases in Iraq which might be residence to hundreds of American and Iraqi troops. Greater than 100 U.S. service members undergo traumatic mind accidents, in accordance with the Pentagon. As Iran braces for a counterattack, the Revolutionary Guard shoots down a Ukrainian passenger airplane shortly after takeoff from Tehran’s worldwide airport, reportedly mistaking it for a U.S. cruise missile. All 176 folks on board are killed.
July 2, 2020 — A mysterious explosion tears aside a centrifuge manufacturing plant at Iran’s Natanz nuclear enrichment facility. Iran blames the assault on Israel.
April 6, 2021 — Iran and the U.S. beneath President Joe Biden start oblique negotiations in Vienna over easy methods to restore the nuclear deal. These talks, and others between Tehran and European nations, fail to succeed in any settlement.
April 11, 2021 — A second assault inside a 12 months targets Iran’s Natanz nuclear web site, once more doubtless carried out by Israel.
April 16, 2021 — Iran begins enriching uranium as much as 60% — its highest purity ever and a technical step from weapons-grade ranges of 90%.
Feb. 24, 2022 — Russia launches its full-scale invasion of Ukraine. Moscow in the end will come to depend on Iranian bomb-carrying drones within the battle, in addition to missiles.
July 17, 2022 — An adviser to Iran’s supreme chief, Kamal Kharrazi, says Iran is technically able to making a nuclear bomb, however has not determined whether or not to construct one.
Oct. 7, 2023 — Hamas militants from the Gaza Strip storm into Israel, killing round 1,200 folks and taking 251 others hostage, starting the most intense war ever between Israel and Hamas. Iran, which has armed Hamas, presents help to the militants. Regional tensions spike.
Nov. 19, 2023 — Yemen’s Houthi rebels, lengthy supported by Iran, seize the ship Galaxy Chief, starting a monthslong marketing campaign of assaults on delivery by the Pink Sea hall that the U.S. Navy describes as essentially the most intense fight it has seen since World Battle II. The assaults mirror techniques earlier utilized by Iran.
April 14, 2024 — Iran launches an unprecedented direct assault on Israel, firing over 300 missiles and assault drones. Israel, working with a U.S.-led worldwide coalition, intercepts a lot of the incoming hearth.
April 19, 2024 — A suspected Israeli strike hits an air protection system by an airport in Isfahan, Iran.
July 31, 2024 — Ismail Haniyeh, a Hamas chief, is assassinated throughout a go to to Tehran after the inauguration of reformist President Masoud Pezeshkian. Israel later takes accountability for the assassination.
Sept. 27, 2024 — An Israeli airstrike kills Hezbollah chief Hassan Nasrallah in Lebanon.
Oct. 1, 2024 — Iran launches its second direct assault on Israel, although a U.S.-led coalition and Israel shoot down many of the missiles.
Oct. 16, 2024 — Israel kills Hamas chief Yahya Sinwar within the Gaza Strip.
Oct. 26, 2024 — Israel overtly assaults Iran for the primary time, putting air protection techniques and websites related to its missile program.
Jan. 20, 2025 — Trump is inaugurated for his second time period as president.
Feb. 7, 2025 — Iran’s Supreme Chief Ayatollah Ali Khamenei says proposed talks with the U.S. are “not clever, sensible or honorable.”
March 7, 2025 — Trump says he despatched a letter to Khamenei in search of a brand new nuclear cope with Tehran.
March 15, 2025 — Trump launches intense airstrikes focusing on Houthi rebels in Yemen, the final members of Iran’s self-described “Axis of Resistance” able to every day assaults.
April 7, 2025 — Trump pronounces the U.S. and Iran will maintain direct talks in Oman. Iran says they will be oblique talks.
April 12, 2025 — The primary spherical of talks between Iran and the U.S. happen in Oman, ending with a promise to carry extra talks after U.S. Mideast envoy Steve Witkoff and Iranian Overseas Minister Abbas Araghchi “briefly spoke” collectively.
April 19, 2025 — The second spherical of talks between the U.S. and Iran are held in Rome.
April 26, 2025 — Iran and the U.S. meet in Oman a 3rd time, however the negotiations embody talks on the knowledgeable stage for the primary time.
Could 11, 2025 — Iran and the U.S. meet in Oman for a fourth spherical of negotiations forward of Trump’s trip to the Mideast.
Could 23, 2025 — Iran and the U.S. meet in Rome for a fifth spherical of talks, with Oman saying the negotiations made “some however not conclusive progress.”
June 9, 2025 — Iran alerts it will not settle for a U.S. proposal over the nuclear program.
June 12, 2025 — The Board of Governors on the Worldwide Atomic Vitality Company finds Iran in noncompliance with its nuclear obligations. Iran responds by asserting it has constructed and can activate a 3rd nuclear enrichment facility.
June 13, 2025 — Israel launches its conflict in opposition to Iran. Over 12 days, it hits nuclear and army websites, in addition to different authorities installations.
June 22, 2025 — The U.S. intervenes within the conflict, attacking three Iranian nuclear websites.
June 23, 2025 — Iran responds to the U.S. assault by focusing on a army base in Qatar utilized by American troops, inflicting restricted harm.
June 24, 2025 — Trump pronounces a ceasefire within the conflict.
July 25, 2025 — Iranian and European diplomats maintain talks in Istanbul over Iran’s nuclear program.
Aug. 8, 2025 — France, Germany and the UK warn Iran in a letter that it’ll reimplement U.N. sanctions if there isn’t any “passable answer” to the nuclear standoff by Aug. 31.
Aug. 28, 2025 — France, Germany and the UK say they’ve began the method to “snapback” U.N. sanctions on Iran.
Sept. 9, 2025 — Iran and the Worldwide Atomic Vitality Company attain a deal over probably beginning inspections, however questions stay over its implementation.
Sept. 19, 2025 — U.N. Safety Council declines to cease “snapback” sanctions on Iran.
Sept. 26, 2025 — U.N. Safety Council rejects China and Russia’s last-minute effort to cease “snapback.”
Sept. 28, 2025 — U.N. reimposes “snapback” sanctions on Iran barring any last-minute diplomacy.
Dec. 28, 2025: Protests break out in two main markets in downtown Tehran after the Iranian rial plunges to a record low — 1.42 million rials to 1 U.S. greenback — compounding inflationary strain and pushing up the costs of meals and different every day requirements.
Jan. 3, 2026: Khamenei says “rioters must be put in their place,” in what’s seen as a inexperienced mild for safety forces to start extra aggressively placing down the demonstrations.
Jan. 8, 2026: Following a name from Iran’s exiled crown prince, a mass of individuals shout from their windows and take to the streets in nationwide protests. The federal government responds by blocking the web and worldwide phone calls to chop off the nation from outdoors affect. An ensuing safety power crackdown kills hundreds and sees tens of hundreds detained.
Jan. 13, 2026: Trump says he has known as off any conferences with the Iranians and guarantees that unspecified “assistance is on its approach.”
Jan. 26, 2026: The plane service USS Abraham Lincoln and three accompanying warships arrive within the Center East amid Trump’s threats to assault.
Feb. 3, 2026: A U.S. Navy fighter jet shoots down an Iranian drone approaching the Lincoln within the Arabian Sea. Iranian fast-attack boats try to cease a U.S.-flagged ship within the Strait of Hormuz.
Feb. 6, 2026: Iran and the U.S. maintain indirect nuclear talks in Oman, with the pinnacle of the U.S. army’s Central Command additionally coming.
Feb. 17, 2026: Iran and the U.S. hold talks in Geneva whereas Tehran says it has briefly closed the Strait of Hormuz, the slim mouth of the Persian Gulf by which a fifth of all oil traded passes.
Feb. 26, 2026: Iran and the U.S. maintain one other spherical of talks in Geneva as America assembles the biggest fleet of warplanes and plane within the Mideast in a long time.
Feb. 28, 2026: Israel and the USA launch a conflict on Iran, killing Khamenei within the battle’s first moments.
March 9, 2026: Iran names Ayatollah Mojtaba Khamenei, the late supreme chief’s son, as nation’s new paramount ruler.
April 7, 2026: A fragile ceasefire within the Iran conflict is introduced, with talks to proceed. Israel just isn’t included in negotiations.
April 8, 2026: Israel bombards Lebanon’s capital, Beirut, killing over 300 people in a 10-minute assault.
April 11, 2026: U.S. Vice President JD Vance leads an American delegation to Islamabad, assembly with Iranian group led by parliament speaker Mohammad Bagher Qalibaf, the highest-level direct talks between the 2 nations because the 1979 Islamic Revolution. The talks finish after 21 hours and not using a deal.
Could 31, 2026: Israel’s floor invasion of Lebanon makes its deepest incursion in over 1 / 4 century.
June 15, 2026: The US and Iran attain an initial agreement to open the Strait of Hormuz and additional prolong a shaky ceasefire within the Iran conflict.
