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Jun 19, 20261
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U.S. and Iran Reach Peace Memorandum of Understanding After Over 100 Days of Conflict
Over 100 days after the U.S.-Iran conflict began on February 28, a peace memorandum of understanding has been reached between the two countries. The conflict, which involved Israel, Hezbollah, and other regional actors, included attacks on nuclear and energy facilities, the closure of the Strait of Hormuz, and significant military engagements before de-escalation talks led to the agreement.
Quick Facts
Who
United States
What
reached a peace memorandum of understanding
When
February 28, 2026
Where
Iran
- reached a peace memorandum of understanding
- launched joint military strikes against Iran
- killed Supreme Leader Ali Khamenei
- retaliated with missiles and drones
- closed the Strait of Hormuz
More than 100 days after the conflict between the United States and Iran erupted on February 28, the two countries have reached a peace memorandum of understanding (MoU), according to Chinese state media Xinhua. The agreement marks a tentative end to one of the most serious crises in the Middle East in years, which involved Israel, Hezbollah, and other regional actors.
The conflict began with joint U.S.-Israeli military strikes against Iran that killed Iran's then-Supreme Leader Ali Khamenei and other senior officials. Iran retaliated with missile and drone attacks on U.S. military bases and targets in Israel. In the ensuing weeks, Iran closed the strategic Strait of Hormuz, a vital route for global oil shipments, while Hezbollah launched attacks on Israel from Lebanon, prompting Israeli airstrikes and a ground incursion into southern Lebanon.
Key flashpoints included attacks on Iran's nuclear program and energy infrastructure. In March, the U.S. bombed Iran's Kharg Island oil export hub and, along with Israel, struck the Natanz uranium enrichment facility. Iran shot down a U.S. F-15E fighter jet in April, leading to a large-scale search-and-rescue operation. After a short-lived two-week ceasefire in April, senior U.S. and Iranian officials held talks in Islamabad, Pakistan, but failed to reach an agreement. However, a separate 10-day ceasefire between Lebanon and Israel was brokered by the U.S. in mid-April.
The crisis also saw a change in Iranian leadership, with Mojtaba Khamenei, son of Ali Khamenei, being selected as Iran's new supreme leader. The conflict resulted in significant casualties and material losses, though exact figures remain unclear. The peace MoU is expected to outline steps for de-escalation and the reopening of the Strait of Hormuz, though full details have not been released.
Why This Matters
This peace memorandum not only halts a conflict that disrupted global oil shipments via the Strait of Hormuz, but also signals potential shifts in U.S.-Iran relations and regional stability. For readers, it affects global energy prices, security of shipping lanes, and the balance of power across the Middle East, with implications for future diplomatic engagements.
Timeline & Sources
Feb 28, 2026
WireU.S. and Israel launch joint military strikes against Iran, killing Supreme Leader Ali Khamenei. Iran retaliates with missiles and drones.
Mar 1, 2026
WireIran confirms Khamenei's death and declares national mourning.
Mar 2, 2026
WireIran closes the Strait of Hormuz; Hezbollah attacks Israel, prompting Israeli airstrikes.
Mar 3, 2026
WireIsrael declares ground incursion into southern Lebanon.
Mar 8, 2026
WireMojtaba Khamenei selected as Iran's new supreme leader.
Mar 13, 2026
WireU.S. bombs Iran's Kharg Island oil export hub.
Mar 18, 2026
WireIran confirms deaths of Ali Larijani and Esmaeil Khatib.
Mar 21, 2026
WireTrump threatens to hit Iran's energy infrastructure; U.S. and Israel attack Natanz enrichment facility.
Apr 3, 2026
WireIran shoots down a U.S. F-15E fighter jet.
Apr 8, 2026
WireIran and U.S. agree to two-week ceasefire; Israel launches heavy bombardment of Lebanon.
Apr 11, 2026
WireU.S.-Iran talks in Islamabad fail to reach agreement.
Apr 16, 2026
WireLebanon and Israel reach 10-day ceasefire brokered by the U.S.
Jun 19, 2026
WireU.S. and Iran reach peace memorandum of understanding.