Event Brief
UPDATED Jul 19, 2026 at 4:08 AM ET
Jul 18, 2026 at 1:08 PM ET
Iran supreme leader says U.S. president’s signature invalid
By The BriefBrief
Mojtaba Khamenei said the U.S. president’s signature is worthless and invalid.
WHO: Mojtaba Khamenei
WHAT: Said the U.S. president’s signature is worthless and invalid and that Iran will teach the U.S. “unforgettable lessons.”
WHEN: Jul 18, 2026 at 12:56 PM ET
WHERE: Iran
WHY: He was reacting to the U.S. president’s signature, calling it worthless and invalid.
How this story developed (showing 5 of 5 earlier reports)
Reporting from 11 identified publishers across this event arc.
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Publishers represented across this event arc
These publishers contributed reporting to the broader event history. Not every source addresses the specific development described above.
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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