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The Mirabal sisters were notable opponents of the Dominican dictator Rafael Trujillo. The sisters, Patria, Minerva, and María Teresa Mirabal, were active in the Dominican underground against Trujillo's regime. They were arrested and tortured by Trujillo's agents, and on November 25, 1960, they were brutally murdered. Their deaths sparked widespread outrage and helped to bring about the end of Trujillo's regime.