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 Celebration of Mexican political anniversaries in 2010 In 2010, Mexico celebrated both the 200th anniversary of its Independence and 100th anniversary of its Revolution. The entire year was proclaimed by President Felipe Calderón as "Año de la Patria", or "Year of the Nation." 16 September 1810 is the day of the "Grito de Dolores" or Miguel Hidalgo's call to take up arms against the Spanish colonial government. The start of the Mexican Revolution is celebrated as being 20 November 1910, when Francisco "Pancho" Villa and Pascual Orozco led the first insurrectionist attack. Events and other promotions of these celebrations were