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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.

Recorded event

US visas leave a channel for UN diplomacy

The US approved visas for senior Iranian leaders to attend the UN high-level meeting despite the ongoing conflict.

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Attendance permission is distinct from bilateral negotiations or a ceasefire agreement.

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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