Timeline
March 22, 2026 — March 29, 2026
World
Timeline: How the US-Israel vs. Iran War Escalated Over 25 Days
This timeline tracks the military conflict between the United States-Israel alliance and Iran from Day 23 through Day 30 of the war in March 2026. The escalating confrontation featured missile strikes, ultimatums over the Strait of Hormuz, cluster munitions attacks, and diplomatic efforts amid growing civilian casualties and regional instability.
14 events · 7 days · 11 source articles
Tue, Mar 17, 2026
Major
Israel Assassinates Iranian Security Chief Ali Larijani
Israel killed Iranian security chief Ali Larijani in a targeted assassination. This attack would trigger immediate Iranian retaliation with cluster missiles and mark a significant escalation in the conflict. The assassination occurred approximately two weeks into the war.
Tue, Mar 17, 2026
Major
Iran Retaliates with Cluster Missile Attack on Central Israel
Hours after Larijani's assassination, Iran's IRGC launched cluster missiles at central Israel in what they described as 'revenge.' The overnight attack killed two people in their 70s near Tel Aviv in Ramat Gan who couldn't reach their safe room in time. The multiple-warhead missiles better evaded Israeli defense systems, raising concerns about air raid response times.
Sun, Mar 22, 2026
Major
Trump Issues 48-Hour Ultimatum to Reopen Strait of Hormuz
On Day 23 of the war, President Trump issued a stern warning to Iran via Truth Social, demanding the complete reopening of the Strait of Hormuz within 48 hours or face US attacks on Iranian power plants. Iran had obstructed this crucial waterway for global energy commerce. Iran responded by threatening to destroy American and Israeli water treatment facilities.
Sun, Mar 22, 2026
Major
Deadly Iranian Missile Strikes Hit Dimona and Arad in Southern Israel
Iran launched one of the heaviest rounds of missile strikes on Israeli territory since the conflict began, targeting the southern cities of Dimona (near Israeli nuclear facilities) and Arad. The attacks exposed severe gaps in Israel's civilian protection infrastructure, with residents of the Negev region describing the government's response as 'a complete failure.' Millions lacked adequate shelter access.
Sun, Mar 22, 2026
Moderate
Hezbollah Opens Second Front from Lebanon
Iran's ally Hezbollah intensified operations against Israel from Lebanon, with fighters describing their commitment to a 'final battle' against Israel. The Lebanese Shiite militant group opened a second front while the US and Israel attacked Iran, creating a multi-theater conflict for Israeli forces to manage.
Mon, Mar 23, 2026
Moderate
Israel Launches Fresh Strikes on Beirut and Tehran
Israeli forces conducted new attacks in both Beirut and Tehran in the early morning hours. The strikes killed a Basij commander in Iran. Meanwhile, Iran bombarded US military bases and Israeli cities including Tel Aviv and Haifa with missiles and drones. Cluster munitions were again deployed toward Israel.
Mon, Mar 23, 2026
Moderate
Trump and UK PM Starmer Coordinate on Strait of Hormuz Crisis
President Trump and British Prime Minister Keir Starmer agreed that reopening the Strait of Hormuz was essential to stabilizing global energy markets. The UK had authorized the US to use British military bases for strikes on Iranian missile sites used to attack ships in the strategic waterway.
Mon, Mar 23, 2026
Moderate
US Treasury Authorizes Limited Iranian Oil Sales
The US Department of Treasury temporarily authorized the purchase and sale of Iranian oil already in transit at sea, attempting to address global energy market disruption. However, Iran's government denied having oil surpluses available for international markets, complicating efforts to ease the energy crisis.
Mon, Mar 23, 2026
Major
Israel Launches 'Wide-Scale' Strikes on Tehran
The IDF announced a new wave of airstrikes against regime infrastructure in Tehran, beginning Sunday night and continuing Monday. Al Jazeera correspondents reported explosions of 'unprecedented' intensity on Tehran's eastern side. One person was killed at a radio station in Bandar Abbas, and hospitals were impacted in Ahvaz. Massive explosions were also heard in Isfahan, Karaj, and other Iranian cities.
Tue, Mar 24, 2026
Major
Trump Announces 'Good and Productive' Peace Talks with Iran
President Trump claimed that talks with Iran were underway and could bring the conflict to an end soon, describing the negotiations as 'good and productive.' He believed there was a chance to use the 'enormous successes' of US and Israeli military operations to achieve war objectives through a diplomatic agreement.
Tue, Mar 24, 2026
Major
Netanyahu Contradicts Trump, Vows to Continue Military Operations
Israeli Prime Minister Netanyahu announced Israel would continue strikes on targets in Iran and Lebanon despite Trump's peace signals. After speaking with Trump by phone, Netanyahu asked confidant Ron Dermer to monitor any US-Iranian negotiations to protect Israeli interests. Defense Minister Israel Katz said the campaign would continue 'at full intensity,' with officials stating 'We are still at war, period.'
Tue, Mar 24, 2026
Moderate
Iran Fires Missiles at Tel Aviv, Eilat and Dimona
Iran launched additional missile and drone attacks targeting the Israeli cities of Tel Aviv, Eilat, and Dimona as Day 25 of the conflict continued. The strikes came in response to ongoing Israeli bombardment, with Iran demonstrating its continued capability to penetrate Israeli defenses despite diplomatic overtures from Washington.
Tue, Mar 24, 2026
Minor
UAE Denounces Iranian Regime, Attacks on Gulf
The UAE Foreign Minister publicly denounced the Iranian regime as 'terrorist blackmailers' and condemned Iranian attacks on Gulf targets. This represented a significant diplomatic alignment with the US-Israeli position by a major Arab state in the region.
Sun, Mar 29, 2026
Major
Reports of Mass Israeli Exodus Amid Iranian Missile Threat
By Day 30, reports emerged of a massive surge in reverse migration as Israelis fled the country in large numbers. The Iranian missile attacks reaching deep into Israeli territory, including over Dimona, Tel Aviv, and Haifa, shattered the image of Israeli invincibility. Analysts described the Iranian strikes as signaling a 'fundamental change in the rules of conflict' and the beginning of a new era in Middle Eastern warfare.
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