The overthrow of Iranian Prime Minister Mohammad Mosaddeq, which the United States supported, occurred in 1953.
Notes on verification
Confirmed by multiple independent, high-quality sources including History.com, Britannica, RFERL, and Wikipedia, all corroborating the 1953 date and U.S./CIA involvement alongside British intelligence. [cascade flags: aggregator_dropped_primary_exists,wikipedia_dropped_other_sources_exist | tier=unverified indep_score=0.3 clusters=2 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]
Sources
- Support for the Overthrow of Iranian Prime Minister ... (seed:military_and_intelligence)
- https://www.history.com/this-day-in-history/august-19/cia-assisted-coup-overthrows-government-of-iran (corroboration)
- https://www.rferl.org/a/iran-coup-mossadegh-cia-60th-anniversary/25076552.html (corroboration)