Ángel Pacheco Ángel Pacheco ( Buenos Aires , April 13 , 1793 – Ditto . , September 25 , 1869 ) , was an Argentine military officer trained by José de San Martín who later became one of the top commanders in the Confederacy during the dictatorship of Juan Manuel de Rosas . He never lost a battle under his command . Early life & family . His birthplace is unclear , as some sources say he was born in Buenos Aires in July 1793 , but others , such as the historian Carlos Calvo , say he was born in Santiago de Chile . Other sources say he was born in Buenos Aires but in June 1795 . His parents were Julian Pacheco , a Spaniard , and Teresa Concha , who was Chilean . He studied at the Royal College of San Carlos . In 1822 , he married Maria Dolores Reinoso and had six children : Joseph , Roman , Julio , Eduardo , Paul and Elvira . Early career . In 1811 , he joined Patricios Regiment as a cadet , but on November 22 , the year after he was reassigned to the Horse Grenadiers Regiment . This unit had its baptism of fire at the Battle of San Lorenzo . His actions were responsible for providing food and horses for the Grenadiers advancing to San Lorenzo , and as a forward observer in combat he earned a promotion to lieutenant of the first squadron on February 26 , 1813 . He remained in the convent of San Carlos with a squad of 40 men , with which he defeated a larger landing force in the battle of Rincón de Zárate . He also served in the Siege of Montevideo . In November 1813 , he transferred to the Northern Army , and on 4 December was promoted to lieutenant . He covered the withdrawal of Cuban troops after their defeat at Ayohuma Vilcapugio and participated in the actions of then Keeper of the Marquis , Marketing and Media and Sipe Sipe , in which he received a large wound in the arm . In 1815 he was promoted to adjutant . In 1816 he was transferred to Mendoza , where he joined the Army of the Andes , crossing to Chile under General José de San Martín in the column of Mariano Necochea , whose escort was a part . Under the command of Necochea , he participated in the combat of bribery . He fought in the Battle of Chacabuco ( 12 February 1817 ) , earning a promotion to captain which was conferred on 27 February . He left Buenos Aires to bring trophies in Chacabuco , the Supreme Director Pueyrredón promoted him to sergeant major on 10 March . Back in Chile , he participated in the battles of Curapaligue , Talcahuano , Cancharayada and Maipú . He led the second campaign in southern Chile during 1818 and 1819 . Shortly after the Battle of Cepeda he left to serve in Buenos Aires , and was ordered by Governor Manuel Dorrego to lead the campaign against the province of Santa Fe , fighting for the victories at San Nicolas de los Arroyos and Arroyo Pavón , where he defeated Gamonal . For many years he served in the cavalry of the frontier against the Indians ranqueles . He has commanded a battalion of cavalry in the War of Brazil , and excelled in the victory of Ituzaingó . He was the second chief of the No . 3 Cavalry Regiment , whose chief was Colonel Frederick Brandsen , who died in combat . In that same field of battle he took command of the regiment . He also fought in small final battles of the war , including the Camacuá . After the latter , the May 1 , 1827 Colonel received shipments of cash , and on 7 September was appointed commander in chief of the Northern Department of the province of Buenos Aires . Civil War and the Indian border . In 1828 , Colonel Frederick Rauch was replaced as head of the northern border with the Indians , based in Salto , by order of Governor Dorrego , which earned him the hatred of Prussia . He was a school official and as such , wanted to remain detached from civil strife . But , as understood as a military mission was to sustain the constituted authorities , it resulted in civil war . He refused to endorse John Lavalle in the revolution of December 1828 and wanted to help Dorrego , who was defeated before he could joined , and finished in the refugee regiment Pacheco . His second in command , Mariano Acha , fell to the forces of the rebels and was arrested by Dorrego Lavalle , who shot him . He took refuge in Santa Fe and returned with Juan Manuel de Rosas , who led the campaign that ended with the defeat of Lavalle , after the battle of Puente de Márquez . He later headed the campaign of 1831 against the League of Interior led by General Jose Maria Paz and Stephen Pederson . His victory was due to his correct tactics , but more importantly to the defection of many of the enemy soldiers , former soldiers of Facundo Quiroga forcibly incorporated into the army unit . With that victory began the fall of the League , which led him to occupy the city of Cordoba . Following his victory in Fraile Muerto he was promoted to colonel . He made the desert campaign in 1833 as chief of staff to Rose , and reached what is now the city of Neuquén . On his return he was promoted to general , and during the crisis of those years he was elected governor , but denied the charge . During the following years was a deputy provincial minister of war several times , and inspector of war . Rose was a personal friend , and became a major landowner , in large part due to awards from the government . The campaign within . In August 1840 , General Lavalle invaded the province of Buenos Aires , landing in San Pedro . Pacheco did not have enough forces to face him , so they scattered their horses and surrounded them . Lavalle rose to near Buenos Aires , but was trapped between the forces of Pacheco and Roses , resulting in their eventual defeat . Pacheco gave chase to Santa Fe under the command of General Manuel Oribe , former President of Uruguay , and his command fought at the Battle of Quebracho Herrado as head of the cavalry . Their federal action decided the victory . When Lavalle came back to La Rioja , Mendoza sent Colonel Vilela their best forces . Pacheco with a smaller force , chased and defeated him during a surprise night attack in San Cala . He returned to Cordoba , where months later went to Cuyo : there was going to the army unit Lamadrid . After taking San Juan , he retired to Mendoza . Pacheco took command of an army that included José Félix Mendoza Aldana and Nazario Benavides , with whom Lamadrid tore apart in the bloody battle of Rodeo del Medio . There ended the civil war started more than two years earlier . In the battle of Arroyo Grande , 6 December 1842 , ordered the army infantry affiliates of the Confederation and the " white " Uruguayan - whose commander in chief was deposed president Manuel Oribe East - against the forces of " red " Uruguayan and Argentine unit led by Fructuoso Rivera . Pacheco ' s conduct of the troops was decisive , destroying the center and the artillery of the enemy . During 1843 and 1844 participated in the siege of Montevideo . In 1845 he was appointed head of the Frontier Centre Buenos Aires province , fought off attempts to raid ranqueles Indians , and ordered to form a strong and Mulitas Bragado ( now the town of Twenty - May ) . In 1850 he was elected a member of the Legislature of the Province . Later years and death . In 1851 , Justo José de Urquiza took the lead in opposition to Rosas . After invading and overthrowing the Uruguay Oribe , also invaded Santa Fe , and from there moved to Buenos Aires . For the first time , Pacheco and Rose disagreed with the strategy to follow , and the governor was wary of his general . Feeling left out , Pacheco retired to his room . He then assumed command of the army , Brigadier General Rosas , a shrewd politician , but little military capacity . He was defeated at the Battle of Caseros , the February 2 , 1852 and forced to resign and go into exile . Pacheco also left home and traveled the American continent , with particular attention to Havana . He returned to Buenos Aires after the revolution of 11 September that year , when Buenos Aires was dominated by the old unit and separated from the rest of the country . Organized the defence of the capital during the siege imposed on him general Hilario Lagos . He retired military in mid - 1853 . During the following years he was minister of war of the State of Buenos Aires , and special envoy to the government of Brazil . Spent the rest of his days in his stay Talar , now known as " Talar de Pacheco . " According to Ernesto Quesada , " asked not to be political either before , during or after Rosas . His badge of honor , glory , was to have been a soldier of St . Martin : she did not aspire to something else . born with the military vocation and she died without have given up only once in his life . He was a man of the world ' s legendary gallantry with the ladies , being known his deep respect for women in general . " He died in Buenos Aires in 1869 . In the act of burial of the remains discussed among others , the poet Carlos Guido y Spano and General Bartolomé Mitre . He was buried in the cemetery of Recoleta . Notes . 1 . This year of birth would be more consistent with his record of military service , and that would be correct sitting position as a cadet at age 17 Patricios .