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Iran and the US: war, diplomacy and renewed confrontation

Follow the outbreak of the 2026 war, an initial diplomatic agreement and continuing confrontation. Military claims remain attributed, and an agreement is not treated as proof that fighting ended.

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Reviewed 9/21/2026

Selected milestones through September 17, 2026. Shipping incidents are covered in the linked Hormuz timeline; this is not a complete casualty record.

Dates without a time use the local date of the event.

Attributed claim

AP reports the US blockade was reimposed

Associated Press

AP reported renewed US enforcement of a blockade on Iranian ports as attacks on shipping undermined the interim arrangement.

Read context

The date is the report date. The report describes renewed confrontation, rather than a completed peace settlement.

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Source descriptions are written by Threadline

From the beginning

Through 9/17/2026

Selected milestones through September 17, 2026. Shipping incidents are covered in the linked Hormuz timeline; this is not a complete casualty record.

Explore this branchStrait of Hormuz: shipping threats and the response