The CIA's amphibious, paramilitary invasion of Cuba in April 1961 (the Bay of Pigs) was defeated by Fidel Castro's forces within two days.
Notes on verification
Confirmed by U.S. State Department Office of the Historian, CFR, and Britannica, all agreeing the invasion collapsed within roughly 2-3 days, with minor variation in exact timeframe wording. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- Spy vs. Spy: The Bay of Pigs and the Battle for the Soul of the CIA (seed:military_and_intelligence)
- https://history.state.gov/milestones/1961-1968/bay-of-pigs (corroboration)
- https://www.cfr.org/articles/lessons-learned-bay-pigs-invasion (corroboration)