Mexican War of Independence Mexican War of Independence The Mexican War of Independence () was an armed conflict, and the culmination of a political and social process which ended the rule of Spain in 1821 in the territory of New Spain. The war had its antecedent in Napoleon's French invasion of Spain in 1808; it extended from the Cry of Dolores by Father Miguel Hidalgo y Costilla on September 16, 1810, to the entrance of the Army of the Three Guarantees led by Agustín de Iturbide to Mexico City on September 27, 1821. September 16 is celebrated as Mexican Independence Day. The movement for
Mexican War of Independence rule until the Hidalgo revolt of 1810. Elites in Mexico City in the seventeenth century did force the removal of a reformist viceroy, the Marqués de Gelves, following an urban riot in 1624 fomented by those elites. He attempted to eliminate corrupt practices by creole elites as well as rein in the opulent displays of the clergy's power, but ecclesiastical authorities in conjunction with creole elites mobilized urban plebeians to oust the viceroy. The crowd was reported to shout, "Long live the King! Love live Christ! Death to bad government! Death to the heretic Lutheran [Viceroy Gelves]! Arrest the viceroy!"