President of Mexico, 1846
José Mariano Salas was President of Mexico from 5 August 1846 - 23 December 1846 and served as interim President from 21 January 1859 - 2 February 1859. During the Second Mexican Empire, he served as Regent, along with with General Juan Nepomuceno Almonte and Archbishop Antonio de Labastida from 11 July 1863 - 10 April 1864.
José Mariano Salas (11 May 1797 - 24 December 1867) entered the military in 1813 as an infantry cadet in the Regimiento de Infantes de Puebla, a Spanish royalist regiment and slowly climbed the ranks. During the Mexican War of Independence he fought against the insurgents.
In 1846 he siezed power from Nicolás Bravo and proclaimed the reestablishment of the federalist régime, re-established the federalist Constitution of 1824 and convoked a new Congress. In December he turned over power to Valentín Gómez Farías (acting president). In 1847 Salas was promoted to second in command of the Ejército del Norte (Northern Army), he fought the Americans in the Mexican-American War. He was taken prisoner at the Battle of Contreras (Padierna) on 20 August 1847.
During the Second Mexican Empire, he served as Regent, along with with General Juan Nepomuceno Almonte and Archbishop Antonio de Labastida from 11 July 1863 - 10 April 1864. It was this Regency that sent representatives to Maximilian of Habsburg to offer him the imperial throne of Mexico. Maximilian assumed the throne on 12 June 1864.