This page lists the heads of state of Mexico since independence in 1821. Supreme Executive Power was an organization that served as Executive to govern México after the of Mexican Empire of Agustín I, on 1823. The organization was responsible for convening the creation of the Federal Republic and was in effect from April 1, 1823 to October 10, 1824. Between the time of Emperor Agustín de Iturbide's abdication (19 March 1823) and Guadalupe Victoria's assumption of the office of President (10 October 1824), there was a brief period when the executive power of the government was held by the Supreme Executive Power. At one time or another the members of this committee included Pedro Celestino Negrete, José Mariano Michelena, Nicolás Bravo, Miguel Domínguez, Vicente Guerrero and Guadalupe Victoria. Between 21 April 1862 to 12 January 1863 Juan Nepomuceno Almonte was recognized by the conservatives as the Supreme head of the Mexican Nation and between 20 June 1863 to 25 June 1863, Teodosio Lares was the president the Assembly Superior of Government of Mexico.