Mexican War of Independence arm of the conspirators and in early 1821 he met Vicente Guerrero. Both proclaimed the Plan of Iguala, which called for the union of all insurgent factions and was supported by both the aristocracy and clergy of New Spain. It called for monarchy in an independent Mexico. Finally, the independence of Mexico was achieved on September 27, 1821. After that, the mainland of New Spain was organized as the Mexican Empire. This ephemeral Catholic monarchy changed to a federal republic in 1823, due to internal conflicts and the separation of Central America from Mexico. After some Spanish reconquest attempts, including
Mexican real ¼, ½, 1, 2, 4 and 8 reales, with gold coins for ½, 1, 2, 4 and 8 escudos. Between 1814 and 1821, copper coins were also issued for ⅛, ¼ and tlaco. During the Mexican War of Independence (1810-1821), numerous mints operated, providing coins for both the supporters and opponents of the Spanish crown. The Royalist issued coins at mints in Chihuahua, Durango, Guadalajara, Guanajuato, Nueva Viscaya, Oaxaca, Real del Catorce, San Fernando de Bexar, San Luis Potosí, Sombrerete, Valladolid Michoacán and Zacatecas. Most Royalist issues were similar in style to the earlier colonial issues from the Mexico City