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Events on Monday 13 September 1971 1
1971Attica Prison RiotInmate uprising ends in deadly police retakingPrisoners at Attica Correctional Facility in New York seized control of the prison and took hostages to protest inhumane conditions. After four days of failed negotiations, state police stormed the facility, killing 29 inmates and 10 hostages. It remains one of the deadliest prison uprisings in US history.