First Mexican Empire of independence and a constitution with the preservation of Catholic monarchy, brought together all Mexican factions. Under the 24 February 1821 Plan of Iguala, to which most of the provinces subscribed, the Mexican Congress established a regency council which was headed by Iturbide. After signing the Declaration of Independence of the Mexican Empire of 28 September 1821, the Mexican Congress intended to establish a commonwealth whereby the King of Spain, Ferdinand VII, would also be emperor of Mexico, and both countries would be governed by separate laws and form separate legislative bodies. If the king refused the position, the law
Declaration of Independence of the Mexican Empire of the Nation in Mexico City. The document is wide and high. On September 27, 1821, eleven years and eleven days after the Grito de Dolores, the Army of the Three Guarantees headed by Agustín de Iturbide entered Mexico City, concluding the Mexican War of Independence. On September 28, Iturbide installed the Provisional Governing Board, comprising 38 people. The board was chaired by Antonio Pérez Martínez y Robles, and Juan José Espinosa de los Monteros was secretary. The board immediately elected the five members of the Regency of the Empire. On October 13 of the same year, Ramón Gutiérrez del