Timeline
March 1, 2026 — March 5, 2026
World
Timeline: How the Death of Iran's Supreme Leader Triggered Regional War
On February 28, 2026, a coordinated U.S.-Israeli military operation killed Iran's Supreme Leader Ali Khamenei, ending his 37-year rule. The assassination sparked immediate military escalation across the Middle East, with Iran retaliating against U.S. bases and Israeli targets, leading to regional warfare. This timeline tracks the critical first week of conflict, from the initial strike through the chaotic succession crisis and expanding military operations.
17 events · 5 days · 29 source articles
Sat, Nov 1, 2025
Major
Israel Decides to Eliminate Khamenei
Israeli Defense Minister Israel Katz revealed that Prime Minister Benjamin Netanyahu convened a restricted meeting in November 2025 to establish the objective of eliminating Iran's Supreme Leader Ali Khamenei. The plan was originally intended to be executed approximately six months later, but would be accelerated due to subsequent events.
Thu, Jan 1, 2026
Moderate
Plan Accelerated After Iranian Protests
The assassination plan was shared with Washington and then moved forward in January 2026 following the outbreak of anti-government protests in Iran. This acceleration changed the timeline from the original six-month plan established in November.
Sat, Feb 28, 2026
Major
U.S.-Israeli Operation Kills Khamenei
The United States and Israel launched a large-scale coordinated attack on Iran under the operation name 'Epic Fury.' The strike hit Khamenei's office in Tehran, killing the 37-year Supreme Leader who had ruled since 1989. President Trump announced the operation targeted Iran's nuclear program infrastructure and military capabilities. At least 48 Iranian leaders were reportedly eliminated in the initial strikes.
Sat, Feb 28, 2026
Major
Iran Launches Massive Retaliation
Iran's Revolutionary Guards announced attacks on 27 U.S. military bases across the Middle East in what they described as the sixth wave of reprisals. Iranian forces launched rockets and drones targeting Israel and Arab countries hosting American military installations, including attacks on bases in Saudi Arabia, UAE, and other Gulf states.
Sun, Mar 1, 2026
Major
Iran Officially Confirms Khamenei's Death
Iranian state television IRIB officially confirmed the death of Supreme Leader Ali Khamenei, calling it 'martyrdom' in a joint American-Israeli attack. The government declared 40 days of national mourning and seven public holidays. Some Iranians took to the streets celebrating, while others protested the attack, revealing deep divisions within the country.
Sun, Mar 1, 2026
Major
Khamenei's Son and Potential Successor Killed
Reports confirmed that Khamenei's son, who was considered a likely successor, was eliminated in the strikes. President Trump stated that 48 Iranian leaders had been killed, and that the operation had removed most of the previously identified potential successors to the Supreme Leader position, creating a severe succession crisis.
Sun, Mar 1, 2026
Moderate
Regional Airspace Closures Cause Global Disruption
Major hub airports in Dubai, Doha, and Abu Dhabi were closed or severely restricted, causing global flight disruptions. Aircraft and crews became stranded in wrong locations, creating cascading scheduling problems for airlines worldwide. The closure affected not just Middle Eastern destinations but global air travel connections.
Sun, Mar 1, 2026
Major
Oil Prices Expected to Surge as Strait of Hormuz Blocked
The Strait of Hormuz, through which one-fifth of the world's oil and gas passes, was blocked due to the conflict. Oil prices were expected to jump 9-10% from the previous closing price of $67 per barrel, threatening major economic consequences globally.
Mon, Mar 2, 2026
Major
Interim Leadership Council Established in Iran
Tehran established an interim council to lead the country, with Ayatollah Alireza Arafi temporarily assuming the Supreme Leader's duties. According to Iran's constitution, a council comprising the president, head of judiciary, and a cleric from the Guardian Council takes over when the Supreme Leader position is vacant. The government rejected any dialogue with Washington.
Mon, Mar 2, 2026
Major
Succession Crisis Deepens as Candidates Eliminated
President Trump admitted that the military operation had eliminated nearly all previously identified potential successors to Khamenei. The situation became highly unpredictable as Washington acknowledged uncertainty about Iran's future direction. Analysts warned of dangerous power struggles within the Islamic Republic.
Tue, Mar 3, 2026
Major
Death Toll Rises; Israel Invades Southern Lebanon
The Iranian Red Crescent reported the death toll from U.S.-Israeli strikes had reached 787 civilians, with Israeli intelligence estimating over 1,000 Revolutionary Guard members killed. Israel announced ground operations in southern Lebanon, with the Lebanese army retreating from border positions. The conflict expanded beyond Iran into a multi-front regional war.
Tue, Mar 3, 2026
Major
Israel Strikes Building Housing Iran's Leadership Selection Council
U.S. and Israeli forces attacked the building in Qom where the Assembly of Experts—responsible for selecting Iran's new Supreme Leader—was housed. The strike severely damaged the facility, further disrupting Iran's succession process and demonstrating intent to prevent regime consolidation.
Tue, Mar 3, 2026
Moderate
Iran Targets U.S. Embassy in Riyadh
Iranian forces attacked the U.S. Embassy in Riyadh, Saudi Arabia, along with additional American bases and a port facility. The strikes demonstrated Iran's capability to hit targets deep in Arab territory and raised fears of the conflict engulfing the entire Gulf region.
Tue, Mar 3, 2026
Moderate
Trump Offers Contradictory Explanations for War
President Trump provided multiple conflicting rationales for the military intervention within 72 hours, including regime change, stopping nuclear development, halting ballistic missile programs, and helping Iranian protesters. When asked if Israel forced America's hand, Trump suggested he might have pushed Israel instead, revealing uncertainty about the war's actual objectives.
Wed, Mar 4, 2026
Major
Israel Warns It Will Assassinate Any Khamenei Successor
As the conflict entered its fifth day, Israel issued a stark warning that it would assassinate whoever emerges as Khamenei's successor. Iranian drones targeted the U.S. Consulate in Dubai. Hungary organized repatriation flights for citizens stranded in the region as the war showed no signs of abating.
Wed, Mar 4, 2026
Moderate
Pentagon Claims Iranian Behind Trump Assassination Plot Killed
Defense Secretary Pete Hegseth announced that U.S. forces had killed an Iranian official who led a unit allegedly involved in a plot to assassinate President Trump. Hegseth emphasized this was not the primary objective of the operation but was added to the target list to ensure accountability for the assassination attempt.
Thu, Mar 5, 2026
Moderate
U.S. Senate Fails to Halt Trump's Iran Operations
The U.S. Senate was unable to stop President Trump from continuing military operations in Iran. An explosion was reported near a petroleum tanker off Kuwait's coast. Emirates Airlines extended its flight suspensions through March 7 as Dubai's airspace remained closed, indicating the conflict's ongoing disruption to regional infrastructure.
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