From 1967 to today: The events that have led to the UN retaliating against Iran

The United Nations reimposed atomic sanctions connected Iran today, putting caller unit connected Tehran's ailing system arsenic tensions stay precocious successful nan wider Mideast complete nan Israel-Hamas warfare successful nan Gaza Strip.

Iranian President Masoud Pezeshkian and Foreign Minister Abbas Araghchi offered a last-ditch effort to effort to halt nan sanctions astatine nan UN General Assembly met this week successful New York.

Efforts by China and Russia to extremity nan sanctions grounded arsenic well.

The timepiece started erstwhile France, Germany and nan United Kingdom connected August 28 declared Iran wasn’t complying pinch its 2015 atomic woody pinch world powers.

Here's a timeline of nan tensions complete Iran's atomic program:

1967 — Iran takes possession of its Tehran Research Reactor nether America’s “Atoms for Peace” program.

1979 — US state Shah Mohammad Reza Pahlavi, fatally ill, flees Iran arsenic celebrated protests against him surge.

Ayatollah Ruhollah Khomeini returns to Tehran and nan Islamic Revolution sweeps him to power.

Students prehend nan United States Embassy successful Tehran, opening nan 444-day hostage crisis.

Iran’s atomic programme goes fallow nether world pressure.

August 2002 — Western intelligence services and an Iranian guidance group uncover Iran’s concealed Natanz atomic enrichment facility.

June 2003 — Britain, France and Germany prosecute Iran successful atomic negotiations.

October 2003 — Iran suspends uranium enrichment nether world pressure.

February 2006 — Iran announces it will restart uranium enrichment pursuing nan predetermination of hard-line president Mahmoud Ahmadinejad. Britain, France and Germany locomotion retired of stalled negotiations.

June 2009 — Iran’s disputed statesmanlike predetermination sees Ahmadinejad reelected contempt fraud allegations, sparking protests known arsenic nan Green Movement and a convulsive authorities crackdown.

October 2009 — Under US President Barack Obama, nan US and Iran unfastened a concealed back-channel for messages successful nan sultanate of Oman.

July 2012 — US and Iranian officials clasp concealed face-to-face talks successful Oman.

July 2015 — World powers and Iran denote a long-term, broad atomic statement that limits Tehran's enrichment of uranium successful speech for nan lifting of economical sanctions.

The atomic woody collapses

May 8, 2018 — Trump unilaterally withdraws nan US from nan atomic agreement, calling it nan “worst woody ever".

He says he’ll get amended position successful caller negotiations to extremity Iran’s rocket improvement and support for location militias.

Those talks don’t hap successful his first term.

May 8, 2019 — Iran announces it will statesman backing distant from nan accord.

A bid of location attacks connected onshore and astatine oversea blamed connected Tehran follow.

January 3, 2020 — A US drone onslaught successful Baghdad kills General Qassem Soleimani, nan designer of Tehran’s proxy wars successful nan Middle East.

January 8, 2020 — In retaliation for Soleimani’s killing, Iran launches a barrage of missiles astatine subject bases successful Iraq that are location to thousands of American and Iraqi troops.

More than 100 US work members suffer traumatic encephalon injuries, according to nan Pentagon.

As Iran braces for a counterattack, nan Revolutionary Guard shoots down a Ukrainian rider level soon aft takeoff from Tehran’s world airport, reportedly mistaking it for a US cruise missile.

All 176 group connected committee are killed.

July 2, 2020 — A mysterious detonation tears isolated a centrifuge accumulation works astatine Iran’s Natanz atomic enrichment facility. Iran blames nan onslaught connected archenemy Israel.

April 6, 2021 — Iran and nan US nether president Joe Biden statesman indirect negotiations successful Vienna complete really to reconstruct nan atomic deal.

Those talks, and others betwixt Tehran and European nations, neglect to scope immoderate agreement.

April 11, 2021 — A 2nd onslaught wrong a twelvemonth targets Iran’s Natanz atomic site, again apt carried retired by Israel.

April 16, 2021 — Iran originates enriching uranium up to 60 per cent — its highest purity ever and a method measurement from weapons-grade levels of 90 per cent.

February 24, 2022 — Russia launches its full-scale penetration of Ukraine.

Moscow yet will travel to trust connected Iranian bomb-carrying drones successful nan conflict, arsenic good arsenic missiles.

July 17, 2022 — An advisor to Iran’s ultimate leader, Kamal Kharrazi, says Iran is technically tin of making a atomic bomb, but has not decided whether to build one.

October 7, 2023 — Hamas militants from nan Gaza Strip large wind into Israel, sidesplitting astir 1200 group and taking 251 others hostage, opening nan astir aggravated warfare ever betwixt Israel and Hamas.

Iran, which has equipped Hamas, offers support to nan militants.

November 19, 2023 — Yemen’s Houthi rebels, agelong supported by Iran, prehend nan vessel Galaxy Leader, opening a monthslong run of attacks connected shipping done nan Red Sea corridor that nan US Navy describes arsenic nan astir aggravated combat it has seen since World War II.

The attacks reflector strategies earlier utilized by Iran.

April 14, 2024 — Iran launches an unprecedented nonstop onslaught connected Israel, firing complete 300 missiles and onslaught drones. Israel, moving pinch a US-led world coalition, intercepts overmuch of nan incoming fire.

April 19, 2024 — A suspected Israeli onslaught hits an aerial defence strategy by an airdrome successful Isfahan, Iran.

July 31, 2024 — Ismail Haniyeh, a Hamas leader, is assassinated during a sojourn to Tehran aft nan inauguration of reformist President Masoud Pezeshkian. Israel later takes work for nan assassination.

September 27, 2024 — An Israeli airstrike kills Hezbollah leader Hassan Nasrallah successful Lebanon.

October 1, 2024 — Iran launches its 2nd nonstop onslaught connected Israel, though a US-led conjugation and Israel sprout down astir of nan missiles.

October 16, 2024 — Israel kills Hamas leader Yahya Sinwar successful nan Gaza Strip.

October 26, 2024 — Israel openly attacks Iran for nan first time, striking aerial defence systems and sites associated pinch its rocket program.

Trump returns — and reaches out

January 20, 2025 — Trump is inaugurated for his 2nd word arsenic president.

February 7, 2025 — Iran's Supreme Leader Ayatollah Ali Khamenei says projected talks pinch nan US are “not intelligent, wise aliases honourable".

March 7, 2025 — Trump says he sent a missive to Khamenei seeking a caller atomic woody pinch Tehran.

March 15, 2025 — Trump launches aggravated airstrikes targeting Houthi rebels successful Yemen, nan past members of Iran's self-described “Axis of Resistance” tin of regular attacks.

April 7, 2025 — Trump announces nan US and Iran will clasp nonstop talks successful Oman.

Iran says they'll beryllium indirect talks, but confirms nan meeting.

April 12, 2025 — The first information of talks betwixt Iran and nan US return spot successful Oman, ending pinch a committedness to clasp much talks aft US Mideast envoy Steve Witkoff and Iranian Foreign Minister Abbas Araghchi “briefly spoke” together.

April 19, 2025 — The 2nd information of talks betwixt nan US and Iran are held successful Rome.

April 26, 2025 — Iran and nan US meet successful Oman a 3rd time, but nan negotiations see talks astatine nan master level for nan first time.

May 11, 2025 — Iran and nan US meet successful Oman for a 4th information of negotiations up of Trump's travel to nan Mideast.

May 23, 2025 — Iran and nan US meet successful Rome for a 5th information of talks, pinch Oman saying nan negotiations made "some but not conclusive progress".

The Iran-Israel warfare begins

June 9, 2025 — Iran signals it won't judge a US connection complete nan atomic program.

June 12, 2025 — The Board of Governors astatine nan International Atomic Energy Agency finds Iran successful noncompliance pinch its atomic obligations.

Iran responds by announcing it has built and will activate a 3rd atomic enrichment facility.

June 13, 2025 — Israel launches its warfare against Iran.

Over 12 days, it hits atomic and subject sites, arsenic good arsenic different authorities installations.

June 22, 2025 — The US intervenes successful nan war, attacking 3 Iranian atomic sites.

June 23, 2025 — Iran responds to nan US onslaught by targeting a subject guidelines successful Qatar utilized by American troops, causing constricted damage.

June 24, 2025 — Trump announces a ceasefire successful nan war.

July 25, 2025 — Iranian and European diplomats clasp talks successful Istanbul complete Iran's atomic program.

August 8, 2025 — France, Germany and nan United Kingdom pass Iran successful a missive that it will reimplement UN sanctions if location is nary “satisfactory solution” to nan atomic standoff by August 31.

August 28, 2025 — France, Germany and nan United Kingdom opportunity they've started nan process to “snapback” UN sanctions connected Iran.

September 9, 2025 — Iran and nan International Atomic Energy Agency scope a woody complete perchance starting inspections, but questions stay complete its implementation.

September 19, 2025 — UN Security Council declines to extremity “snapback” sanctions connected Iran.

September 26, 2025 — UN Security Council rejects China and Russia's last-minute effort to extremity “snapback.”

September 28, 2025 — UN reimposes “snapback” sanctions connected Iran barring immoderate last-minute diplomacy.

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