Timeline
March 1, 2026 — March 6, 2026
World
Timeline: The Assassination of Iran's Supreme Leader and Regional War (February 28 - March 6, 2026)
This timeline chronicles the dramatic six-day period following a joint U.S.-Israeli military operation that killed Iran's Supreme Leader Ali Khamenei, triggering a major regional conflict. The events mark one of the most significant geopolitical crises in Middle Eastern history, with cascading military, political, and economic consequences across the globe.
15 events · 6 days · 30 source articles
Sat, Feb 28, 2026
Major
U.S. and Israel Launch Major Attack on Iran, Kill Supreme Leader Khamenei
In the early hours of Saturday, the United States and Israel launched coordinated military strikes on Iran under the operation name 'Epic Fury.' The attacks targeted Iran's nuclear facilities, military infrastructure, and leadership. Ali Khamenei, Iran's Supreme Leader for 37 years, was killed when his office in Tehran was struck. President Trump announced the operation and Khamenei's death before Iranian authorities confirmed it.
Sun, Mar 1, 2026
Major
Iran Officially Confirms Khamenei's Death, Declares 40 Days of Mourning
Iranian state media 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. State television announced that his 'path and mission' would be pursued with 'greater vigour and zeal.'
Sun, Mar 1, 2026
Major
Iran Launches Massive Retaliation Across the Region
The Islamic Revolutionary Guard Corps launched the sixth wave of retaliatory strikes against 27 American bases across the Middle East, as well as targets in Israel and Arab countries hosting U.S. military facilities. Dozens of targets were hit with ballistic missiles and drones. Meanwhile, Iranians took to the streets with mixed reactions—some celebrating Khamenei's death, others protesting the attacks.
Sun, Mar 1, 2026
Major
Khamenei's Son and Potential Successors Eliminated
Reports emerged that Mojtaba Khamenei, the Supreme Leader's son and considered a leading successor, was killed in the strikes. President Trump later stated that 48 Iranian leaders had been eliminated, including most potential successors identified by U.S. intelligence. Israel conducted waves of follow-up strikes across Iran.
Sun, Mar 1, 2026
Moderate
Global Air Travel Disrupted as Middle East Airspace Closes
Major airports in Dubai, Doha, and Abu Dhabi were closed or severely restricted, stranding aircraft and crews worldwide. The closure of key transit hubs created cascading delays affecting routes far beyond the Middle East. The Strait of Hormuz, through which 20% of global oil and gas passes, was effectively blocked.
Sun, Mar 1, 2026
Moderate
International Community Reacts with Mixed Responses
European Commission President Ursula von der Leyen saw 'a chance for a new beginning' while warning of instability risks. Turkish President Erdogan expressed sadness over Khamenei's death and criticized the violation of Iranian sovereignty. EU's Kaja Kallas called it a 'decisive moment' for Iran's future.
Mon, Mar 2, 2026
Major
Iran Establishes Interim Leadership Council
Tehran established an interim council to govern 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 the judiciary, and clerical representatives would oversee the transition. Iran rejected any dialogue with the United States.
Tue, Mar 3, 2026
Major
Conflict Expands: Israel Sends Ground Troops into Southern Lebanon
On the fourth day of war, Israel announced ground operations in southern Lebanon as the conflict expanded beyond Iran. The Lebanese army retreated from border positions as Israeli forces advanced. The death toll in Iran reached 787 according to the Red Crescent, with Israeli intelligence estimating over 1,000 Revolutionary Guard members killed.
Tue, Mar 3, 2026
Major
U.S. and Israel Strike Building Housing Iran's Leadership Selection Council
U.S. and Israeli forces bombed the building in Qom where the Assembly of Experts—the body responsible for selecting Iran's new Supreme Leader—convened. The strike severely damaged the building, complicating Iran's succession process. Additional attacks targeted the U.S. embassy in Riyadh and bases across the region.
Tue, Mar 3, 2026
Moderate
Trump Administration Offers Contradictory Explanations for War
President Trump and his officials provided four different justifications for the military intervention within 72 hours, ranging from regime change to stopping Iran's nuclear program to preempting an imminent Iranian attack. Intelligence reports suggested the Iranian threat was not actually imminent, raising questions about the operation's rationale.
Wed, Mar 4, 2026
Moderate
Pentagon Attributes Khamenei Killing to Israel
A senior Pentagon official, Elbridge Colby, testified to the Senate that Israel was responsible for killing Khamenei, while U.S. operations focused on degrading Iran's military projection capabilities. This marked the first clear attribution of the assassination to Israeli forces specifically.
Wed, Mar 4, 2026
Moderate
Pentagon Claims Killing of Iranian Official Behind Trump Assassination Plot
Defense Secretary Pete Hegseth announced that a Iranian official who led a unit involved in an alleged plot to assassinate President Trump had been killed during the operations. Hegseth stated this individual was added to the target list, though not part of the original operation objectives.
Thu, Mar 5, 2026
Moderate
U.S. Senate Fails to Stop Trump's Iran Campaign
The U.S. Senate failed to pass measures that would restrict President Trump's military operations in Iran. Fighting continued with reports of explosions near Kuwaiti oil tankers. Emirates Airlines extended flight suspensions through March 7 due to the closure of Dubai airspace.
Thu, Mar 5, 2026
Major
Israeli Defense Minister Reveals Khamenei Assassination Planned Since November
Israeli Defense Minister Israel Katz disclosed that Prime Minister Netanyahu convened a small group in November 2025 to plan Khamenei's elimination. The plan was shared with Washington and accelerated in January 2026 after anti-government protests erupted in Iran. The operation had been in preparation for months before execution.
Fri, Mar 6, 2026
Moderate
Iran Warns EU Members Against Joining Attacks, Threatens Retaliation
Iran's Deputy Foreign Minister Majid Takht-Ravanchi warned that any EU member states joining U.S. and Israeli attacks would become 'legitimate targets' for Iranian retaliation. While several EU countries deployed warships to the region, most offered only diplomatic support rather than military participation.
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