Agustín Cosme Damián de Iturbide y Arámburu, known as Agustín de Iturbide or Agustín I (Valladolid-now Morelia-Mexico, September 27, 1783-Padilla, Tamaulipas, July 19, 1824) was a military man and politician from New Spain (now Mexico).
During the early stages of the war for the independence of Mexico, Iturbide militated in the realistic army fighting the insurgents. Later, during the framework of the liberal triennium in Spain, he was appointed commander to fight Vicente Guerrero.
Proclaimed the Plan of Iguala the 24 of February of 1821. Later, in August of the same year signed the Treaties of Cordova with Juan O’Donojú. In this way, independence was achieved on September 27, 1821.
He presided over the regency of the first Mexican provisional government. On May 18, 1822, he was proclaimed emperor and crowned two months later with the name of Agustin I.
The remains of Iturbide were transferred to Mexico City and are honored in the Chapel of San Felipe de Jesus in the Metropolitan Cathedral, in Mexico City, where they remain until now, exhibited in a glass urn. His name, is associated with the national flag, was conserved for a long time in a stanza of the original letter of the National Anthem of Mexico, written in 1854, which was suppressed in 1943.