<Tr> <Th> </Th> <Td> </Td> <Td> Antonio López de Santa Anna (1794--1876) </Td> <Td> April 24, 1834 </Td> <Td> January 27, 1835 </Td> <Td> Liberal Party </Td> <Td> </Td> <Td> He cancelled the liberal reforms . On January 27, the Sixth Constitutional Congress dismissed Gomez Farias as Vice President . </Td> </Tr> <Tr> <Th> 9 </Th> <Td> </Td> <Td> Miguel Barragán (1789--1836) </Td> <Td> January 28, 1835 </Td> <Td> February 27, 1836 </Td> <Td> Liberal Party </Td> <Td> </Td> <Td> He was appointed Interim President by Congress when Santa Anna left office to fight the Rebellion of Zacatecas . On October 23, Congress enacted the Constitutional Basis, which voided the Constitution of 1824 and the federal system . He served both as the last president of the First Federal Republic and the first of the Centralist Republic . </Td> </Tr> <Table> <Tr> <Th> No </Th> <Th_colspan="2"> President </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> Political Party </Th> <Th> Notes </Th> </Tr> <Tr> <Th> 9 </Th> <Td> </Td> <Td> Miguel Barragán (1789--1836) </Td> <Td> January 28, 1835 </Td> <Td> February 27, 1836 </Td> <Td> Liberal Party </Td> <Td> He left office because of a serious illness . He died two days later . </Td> </Tr> <Tr> <Th> 10 </Th> <Td> </Td> <Td> José Justo Corro (1794--1864) </Td> <Td> February 27, 1836 </Td> <Td> April 19, 1837 </Td> <Td> Conservative Party </Td> <Td> He was appointed Interim President by Congress to conclude the presidential term . During his term, he enacted the Seven Laws and Spain recognized the Independence of Mexico . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Anastasio Bustamante (1780--1853) </Td> <Td> April 19, 1837 </Td> <Td> March 18, 1839 </Td> <Td> Conservative Party </Td> <Td> He took office as constitutional elected president . He was elected in the elections of 1837 for an eight years term . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Antonio López de Santa Anna (1794--1876) </Td> <Td> March 18, 1839 </Td> <Td> July 10, 1839 </Td> <Td> Liberal Party </Td> <Td> He was appointed interim president by the Supreme Conservative Power when Bustamante left office to fight federalist rebellions . </Td> </Tr> <Tr> <Th> 11 </Th> <Td> </Td> <Td> Nicolás Bravo (1786--1854) </Td> <Td> July 11, 1839 </Td> <Td> July 19, 1839 </Td> <Td> Conservative Party </Td> <Td> He was appointed substitute president when Santa Anna left office . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Anastasio Bustamante (1780--1853) </Td> <Td> July 19, 1839 </Td> <Td> September 22, 1841 </Td> <Td> Conservative Party </Td> <Td> He reassumed the presidency . </Td> </Tr> <Tr> <Th> 12 </Th> <Td> </Td> <Td> Francisco Javier Echeverría (1797--1852) </Td> <Td> September 22, 1841 </Td> <Td> October 10, 1841 </Td> <Td> Conservative Party </Td> <Td> He was appointed interim president when Bustamante left office to fight a rebellion headed by Mariano Paredes y Arrillaga, Santa Anna, and Gabriel Valencia . He resigned after the triumph of the rebellion . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Antonio López de Santa Anna (1794--1876) </Td> <Td> October 10, 1841 </Td> <Td> October 26, 1842 </Td> <Td> Liberal Party </Td> <Td> He was appointed provisional president by a Junta de Representantes de los Departamentos (Board of Representatives of the Departments). </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Nicolás Bravo (1786--1854) </Td> <Td> October 26, 1842 </Td> <Td> March 4, 1843 </Td> <Td> Conservative Party </Td> <Td> He was appointed substitute president by Santa Anna when he left office . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Antonio López de Santa Anna (1794--1876) </Td> <Td> March 4, 1843 </Td> <Td> October 4, 1843 </Td> <Td> Liberal Party </Td> <Td> He reassumed the presidency as provisional president . </Td> </Tr> <Tr> <Th> 13 </Th> <Td> </Td> <Td> Valentín Canalizo (1794--1850) </Td> <Td> October 4, 1843 </Td> <Td> June 4, 1844 </Td> <Td> Conservative Party </Td> <Td> He was appointed interim president by Santa Anna when he left office . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Antonio López de Santa Anna (1794--1876) </Td> <Td> June 4, 1844 </Td> <Td> September 12, 1844 </Td> <Td> Liberal Party </Td> <Td> He reassumed the presidency after being elected constitutional president by Congress on January 2, 1844 . </Td> </Tr> <Tr> <Th> 14 </Th> <Td> </Td> <Td> José Joaquín de Herrera (1792--1854) </Td> <Td> September 12, 1844 </Td> <Td> September 21, 1844 </Td> <Td> Liberal Party </Td> <Td> He was appointed substitute president by Congress to replace the interim president Valentin Canalizo . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Valentín Canalizo (1794--1850) </Td> <Td> September 21, 1844 </Td> <Td> December 6, 1844 </Td> <Td> Conservative Party </Td> <Td> He assumed the presidency as interim president . </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> José Joaquín de Herrera (1792--1854) </Td> <Td> December 6, 1844 </Td> <Td> December 30, 1845 </Td> <Td> Liberal Party </Td> <Td> He was appointed interim, and after, constitutional president by Senate after Canalizo was arrested for trying to dissolve the Congress . </Td> </Tr> <Tr> <Th> 15 </Th> <Td> </Td> <Td> Mariano Paredes (1797--1849) </Td> <Td> December 31, 1845 </Td> <Td> July 28, 1846 </Td> <Td> Conservative Party </Td> <Td> He assumed office via a coup against De Herrera . On June 12, he was appointed interim president . </Td> </Tr> <Tr> <Td> Vice President Nicolás Bravo </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> Nicolás Bravo (1786--1854) </Td> <Td> July 28, 1846 </Td> <Td> August 4, 1846 </Td> <Td> Conservative Party </Td> <Td> He took office when Paredes left the presidency to fight the Americans in the Mexican--American War . He was deposed by a federalist rebellion led by Jose Mariano Salas and Valentin Gomez Farias . </Td> </Tr> <Tr> <Th> 16 </Th> <Td> </Td> <Td> José Mariano Salas (1797--1867) </Td> <Td> August 5, 1846 </Td> <Td> December 23, 1846 </Td> <Td> Conservative Party </Td> <Td> He assumed office as provisional president after the triumph of the federalist rebellion (Plan de la Ciudadela). He put in force the Constitution of 1824 on August 22 . He served both as last president of the Centralist Republic and first of the Second Federal Republic . </Td> </Tr> </Table> <Tr> <Th> No </Th> <Th_colspan="2"> President </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> Political Party </Th> <Th> Notes </Th> </Tr>

Who was the leader of mexico in 1845