The Mexican Frontier, 1821–1846 published by other historians. This work was supplemented by additional primary materials which he discovered in the archives that allowed him to delve further into certain areas. "The Mexican Frontier" examines the southwestern United States, specifically the areas now known as Arizona, California, New Mexico, and Texas, in the twenty-five years between Mexico's independence from Spain and the beginning of the Mexican–American War. This resulted in the transfer of control of the border areas to the United States. In the early days of the Republic of Mexico, these areas comprised its northern border, including the territories of Alta California and
Celebration of Mexican political anniversaries in 2010 Sentiments of the Nation Route, named after the eponymous document by José María Morelos y Pavón, follows his campaigns through the states of Michoacán, Guerrero, Oaxaca, Morelos, Mexico State, Puebla, Veracruz and Chiapas. The Route of the Three Guarantees maps out the campaigns fought by Agustín de Iturbide, who brought the War for Independence to a close in 1821. The runs from Iguala, Guerrero, to Mexico City. Routes following the major events of the Mexican Revolution include the Democracy Route, mostly outlining the road taken by Francisco I. Madero from Ciudad Juárez to Mexico City after being elected president in