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The Cry of Dolores was a call to arms issued by Miguel Hidalgo y Costilla on September 16, 1810, which marked the beginning of the Mexican War of Independence. Hidalgo was a Catholic priest and a leader of the criollos, or people of Spanish descent born in the Americas. He issued the cry from the town of Dolores, Guanajuato, and called on the people to rise up against Spanish rule.