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Strait of Hormuz: shipping threats and the response

Trace maritime warnings, international safety efforts and a later reported tanker attack. This timeline separates a call for safe passage from evidence that commercial traffic has actually normalized.

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Reviewed 9/21/2026

Selected maritime milestones through September 18, 2026. The final attack report remained unconfirmed by AP; no real-time passage guarantee is implied.

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

Attributed claim

Iran reports a tanker attack; AP cannot confirm it

Iranian authorities, reported by AP

AP reported Iran's claim that it had struck a tanker attempting to pass through the strait the previous night.

Read context

AP explicitly said it could not immediately verify the claim. The date here is when that claim was reported.

Sources

Read the evidence behind this timeline.

Source descriptions are written by Threadline

From the beginning

Through 9/18/2026

Selected maritime milestones through September 18, 2026. The final attack report remained unconfirmed by AP; no real-time passage guarantee is implied.

Explore this branchIran and the US: war, diplomacy and renewed confrontation