The United States withdraws from the JCPOA — Key Events — Iran–Gulf

What happened

Washington leaves the agreement and reimposes national sanctions on Iran, while the other parties remain.

It began the sequence that ended with the 2025 snapback, and it is the origin of the concentration of Iranian exports on a single customer that the module authors as an economic dependency.

Confidence: High

When8 May 2018

KindDiplomatic · Sanctions

Confidence: High Sources: Congressional Research Service — Iran, the Gulf and the Strait of Hormuz · US / EU / UK sanctions designations · Established historical record Methodology Corrections

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Where this fits

This is one entry in the Iran–Gulf timeline. The full Key Events surface carries every dated turning point with its filters and its essential subset, and this event in place shows what came before and after it. How Vigil grades, dates and sources its claims is set out in the methodology.