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International Relations

US-Iran Tensions: From 2025 War to February 2026 Diplomatic Talks

Timeline of key developments in US-Iran tensions, starting from the June 2025 12-day war through military signaling, protests, and recent nuclear talks in Oman.

Why It Matters

Escalations risk broader regional conflict, impact global energy markets, and test nuclear non-proliferation efforts amid military and diplomatic pressures.

Timeline

11 Events

US-Iran hold framework talks in Oman

February 6, 2026

Iran and US held talks in Muscat to establish a framework for future negotiations.[8]

US-Iran talks confirmed in Oman

February 4, 2026

US and Iranian officials confirmed nuclear talks to be held in Muscat, Oman, later that week.[1][2]

US shoots down Iranian drone

February 3, 2026

US military shot down an Iranian drone approaching its aircraft carrier in the Arabian Sea; Trump mentioned ongoing talks.[1][5]

US announces second naval force; Iran starts drills

January 27, 2026

Trump announced second naval force heading to Iran and air force exercises; Iran began three days of live-fire drills near Strait of Hormuz.[3]

Trump urges Iranians to protest

January 13, 2026

Trump posted on Truth Social calling on Iranians to protest, cancel meetings with officials, and stated 'help is on its way'.[1][5]

Trump warns Iran over protests

January 2, 2026

Trump warned US was monitoring protests and 'locked and loaded' if Iran violently suppresses them; Iran accused US of interference.[3]

Protests erupt in Iran

December 28, 2025

Protests began in Tehran and other cities over rising prices and currency devaluation, continuing into January 2026.[2][10]

IAEA adopts resolution on Iranian nuclear sites

November 20, 2025

IAEA Board of Governors demanded full access to Iranian nuclear sites and clarification of uranium stockpiles; Iran warned of reciprocal steps.[1][5]

Trump announces ceasefire

June 23, 2025

US President Donald Trump announced a complete and total ceasefire between Iran and Israel, which has held.[5]

US bombs Iranian nuclear facilities

June 21, 2025

US conducted strikes on Fordow, Natanz, and Isfahan nuclear sites using B-2 bombers and Tomahawk missiles.[4][6]

Israel launches attacks on Iran, sparking 12-day war

June 13, 2025

Israel launched attacks on Iran, leading to tit-for-tat airstrikes and US involvement.[1][5]