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Jun 18, 2026 Major3
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US and Iran Sign Memorandum of Understanding to End War and Open Strait of Hormuz
The United States and Iran have remotely signed a memorandum of understanding to end their conflict and reopen the Strait of Hormuz, with the agreement now in effect. President Trump signed the document at Versailles while Iranian President Pezeshkian signed in Iran; the agreement was drafted in both Persian and English to prevent translation disputes.
Quick Facts
Who
Donald Trump
What
Signed memorandum of understanding to end war
When
June 14, 2026 (initial electronic signing by Vance and Ghalibaf)
Where
Palace of Versailles (Trump signing location)
- Signed memorandum of understanding to end war
- Agreement to open the Strait of Hormuz
- Remote signing ceremony conducted
- Document signed in Persian and English
- Donald Trump
The United States and Iran have signed a memorandum of understanding remotely aimed at ending the war and reopening the Strait of Hormuz, with the agreement now in effect as of mid-June 2026. President Donald Trump personally signed the document while dining with French President Macron at the Palace of Versailles, while Iranian President Pezeshkian signed on the Iranian side. The memorandum was drafted in both Persian and English to avoid translation disputes, with both parties signing versions in each language.
The signing ceremony was originally scheduled for June 19 in Switzerland, but was accelerated following consensus between the parties on opening the Strait of Hormuz. According to diplomatic sources, the expedited timeline was driven by both countries' agreement on the waterway issue and the need to implement the agreement earlier. Some officials suggested political pressure on the White House regarding public disclosure of the memorandum text may have influenced the decision, though Iranian sources claimed the delay in publication was at Iran's request to avoid controversy.
The memorandum was initially signed electronically on June 14 by US Vice President JD Vance and Iranian Parliament Speaker Mohammad Bagher Ghalibaf, with Trump witnessing the ceremony. The full text was subsequently signed by the two presidents. A planned delegation-level meeting between Vance and Ghalibaf in Switzerland on June 19 is expected to proceed as scheduled, despite the early signing by the heads of state. The agreement represents a significant diplomatic development in US-Iran relations and regional stability.
Why This Matters
This agreement marks a historic diplomatic breakthrough in US-Iran relations, potentially ending years of tension and military confrontation. The reopening of the Strait of Hormuz, through which roughly one-third of global maritime oil trade passes, has immediate implications for global energy security, oil prices, and regional stability in the Middle East. For businesses, investors, and consumers, this signals reduced geopolitical risk in a critical global shipping corridor and may stabilize commodity markets.
Timeline & Sources
Jun 14, 2026
WireVice President Vance and Iranian Parliament Speaker Ghalibaf electronically sign memorandum, with President Trump witnessing
Jun 17, 2026
WireUS officials confirm President Trump personally signed the document at Palace of Versailles during dinner with French President Macron
Jun 18, 2026
WireIranian Foreign Ministry confirms both sides have signed; agreement now in effect