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.
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.
US and Israeli strikes on Iran were followed by Iranian retaliation and an emergency Security Council meeting.
The UN called for de-escalation and an immediate ceasefire. This marks the outbreak, not an assessment of either side's military success.
AP reported that the US and Iran reached an initial agreement to open the Strait of Hormuz and extend a fragile ceasefire.
The agreement was a diplomatic milestone. It did not itself establish lasting peace or normal shipping conditions.
The US approved visas for senior Iranian leaders to attend the UN high-level meeting despite the ongoing conflict.
Attendance permission is distinct from bilateral negotiations or a ceasefire agreement.
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