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
Decolonization of the Americas further wars were fought, such as the Paraguayan War and the War of the Pacific. A related process took place in what is now Mexico, Central America, and parts of North America between 1810 and 1821 with the Mexican War of Independence. Independence was achieved in 1821 by a coalition uniting under Agustín de Iturbide and the Army of the Three Guarantees. Unity was maintained for a short period under the First Mexican Empire, but within a decade the region fought against the United States over the border lands (losing bordering lands of California and Texas). Most of the heat