

A Spanish-born archbishop who briefly held the highest political power in New Spain, bridging the gap between church and colonial administration.
Born in Villagarcía del Llano, Spain, Alonso Núñez de Haro y Peralta was a cleric who crossed the Atlantic to ascend within the colonial church. His intellectual foundation was laid at the University of Toledo, where he earned a doctorate in canon law. Appointed Archbishop of Mexico in 1772, he led the powerful Mexican archdiocese for nearly three decades, a period of significant social change. His most unusual chapter came in 1787, when he was tapped to serve as Viceroy of New Spain for a mere three months following the death of the previous viceroy. This made him one of the few individuals to simultaneously wield supreme ecclesiastical and temporal authority in the colony. His tenure, though short, was marked by a focus on administrative order and the continuation of royal policies. He remained a central figure in Mexico City until his death, overseeing the church during a time of growing unrest that would eventually lead to independence.
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His full coat of arms combined symbols of his archbishopric with those of the viceroyalty.
He founded the Royal School of San Miguel de Belén, a significant charitable and educational institution in Mexico City.
His interim viceregal rule ended with the arrival of the permanent viceroy, Manuel Antonio Flores.
“A bishop's duty is to his flock, both in the cathedral and the city.”