The Mexican Frontier, 1821–1846 translated into Spanish and published in Mexico and Spain. As of 2013, it was still in print. The book won the Ray Allen Billington Prize from the Organization of American Historians in 1983, the Westerners International Co-Founders Book Award for best nonfiction of 1982, the 1982 history Award from the Border Regional Library Association, and the Presidio La Bahia Award from the Sons of the Texas Republic. The Mexican Frontier, 1821–1846 The Mexican Frontier, 1821–1846: The American Southwest Under Mexico by historian David J. Weber is a history of the part of Mexico's north and northwest that became part of
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