José de San Martín
Chilean independence leader
1778 CE to 1850 CE
José Francisco de San Martín (c. 1778 – 17 August 1850), known simply as José de San Martín, is an Argentine general and the prime leader of the southern part of South America's successful struggle for independence from the Spanish Empire.
Born in Yapeyú, Corrientes, in modern Argentina, he leaves his mother country at the early age of seven and studies in Málaga, Spain.
In 1808, after joining Spanish forces in the Peninsular War against the French, San Martín starts making contact with South American supporters of independence from Spain.
In 1812, he sets sail for Buenos Aires from England and offers his services to the United Provinces of South America, present-day Argentina.
After the Battle of San Lorenzo of 1813, and some time on command of the Army of the North (Spanish: Ejército del Norte) during 1814, he begins to put into action his plan to defeat the Spanish forces that menace the United Provinces from Upper Peru, making use of an alternative path to the Viceroyalty of Peru.
This objective first involves the establishment of a new army, the Army of the Andes, in Cuyo Province, Argentina.
From there, he leads the Crossing of the Andes to Chile, and prevailsover the Spanish forces at the Battle of Chacabuco and the Battle of Maipú (1818), thus liberating Chile from royalist rule.
Then he sets sail to attack the Spanish stronghold of Lima, Peru, by sea.
On 12 July 1821, after seizing partial control of Lima, San Martín is appointed Protector of Peru (Protector del Perú), and Peruvian independence is officially declared on 28 July.
On 22 July 1822, after a closed-door meeting with fellow libertador Simón Bolívar at Guayaquil, Ecuador, Bolívar takes over the task of fully liberating Peru.
San Martín unexpectedly leaves the country and resigns the command of his army, excluding himself from politics and the military, and moves to France in 1824.
The details of the 22 July meeting will be a subject of debate by later historians.
San Martín is regarded as a national hero of Argentina and, together with Simon Bolívar, one of the liberators of Spanish South America.
The Order of the Liberator General San Martín (Orden del Libertador General San Martín), created in his honor, is the highest decoration conferred by the Argentine government.
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South America and The Eastern Isles
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South America (1684–1827 CE)
Imperial Reforms, Indigenous Resistance, and the Wars of Independence
Geographic Definition of South America
The region of South America encompasses all lands south of the Isthmus of Panama, including South America Major—stretching from Colombia and Venezuela through Brazil, Peru, Bolivia, Paraguay, Uruguay, northern Argentina, and northern Chile—and Peninsular South America, embracing southern Chile and Argentina, Patagonia, Tierra del Fuego, the Falkland Islands (Islas Malvinas), and the Juan Fernández Islands.
Anchors include the Andes cordillera and Altiplano, the Amazon, Orinoco, and Magdalena river systems, the Venezuelan Llanos, Gran Chaco, Pampas, and Patagonian steppe, extending southward to the Strait of Magellan and the storm-lashed sub-Antarctic islands.
Bounded by Isthmian America to the north and Subcontinental South America beyond the Río Negro, this region entered the modern age as a vast, fragmented world of empires, Indigenous sovereignties, and the first stirrings of republican independence.
Geography and Imperial Frontiers
Between 1684 and 1827, South America stood at the hinge of early modern empire and emerging nationhood. The Andes anchored Spanish dominion, while the Amazon, Guianas, and southern plains remained zones of relative autonomy.
Spain’s empire centered on Lima, Potosí, and Bogotá, but new routes and rival powers eroded its control. Portuguese settlers pushed westward beyond the Treaty of Tordesillas, carving the future Brazil from mining frontiers and sugar coasts. The Guianas hosted Dutch, French, and British enclaves; the Llanos, Chaco, and Patagonia remained largely Indigenous.
From the Bio-Bío frontier in Chile to the Missions of Paraguay and the Upper Amazon, Indigenous confederations, Jesuit enclaves, and frontier forts coexisted in uneasy equilibrium until the revolutions of the early nineteenth century broke the imperial map apart.
Climate and Environmental Shifts
The late Little Ice Age lingered into the eighteenth century:
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Andean highlands: Frosts shortened growing seasons; glacial advance cut water supply to terraces.
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Amazon basin: Rainfall fluctuated with El Niño and La Niña, alternately flooding and parching river villages.
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Coastal Peru and Chile: El Niño upsets brought famine and fishery collapse.
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Southern pampas and Patagonia: Droughts and winds intensified; cold decades preserved glaciers in Tierra del Fuego.
Despite these oscillations, Indigenous and colonial agrarian systems—terraces, irrigation, and mixed cropping—sustained resilience across climates.
Subsistence and Settlement
Colonial economies deepened even as empires strained to contain their frontiers:
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Andean viceroyalties (Peru, Bolivia, Ecuador): Silver and mercury mining at Potosí, Oruro, and Huancavelica remained imperial lifelines; Indigenous mita labor persisted under new guises. Highland farmers supplied maize, potatoes, and quinoa to mining centers.
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Brazil: Gold and diamond booms in Minas Gerais and Goiás (1690s onward) drew settlers inland. Sugar, cattle, and later coffee expanded in Bahia, Pernambuco, and the Recôncavo.
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Paraguay and Uruguay: Yerba mate, hides, and cattle exports linked Jesuit missions and ranches to Atlantic trade.
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Venezuela and Colombia: The Llanos produced cattle and cocoa; Caracas, Cartagena, and Bogotá tied the interior to Europe via Caribbean ports.
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Chile and the Río de la Plata: Wheat and wine sustained the Pacific colonies; Buenos Aires rose as a smuggling and trade hub after its 1776 elevation to viceroyal capital.
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Southern frontiers: Beyond the Bio-Bío, the Mapuche retained independence; Tehuelche horsemen roamed Patagonia; Fuegian canoe peoples survived at the edge of the sub-Antarctic seas.
Urban centers—Lima, Quito, La Paz, Buenos Aires, Rio de Janeiro, Salvador, Caracas, Bogotá, and Santiago—flourished as administrative, mercantile, and religious capitals binding the continent’s diverse ecologies into imperial networks.
Technology and Material Culture
Colonial material life fused Indigenous skill and European design.
Roads and mule trails replaced Inca highways; stone and adobe churches rose over older shrines. Mining technologies—waterwheels, furnaces, mercury amalgamation—refined Andean ores. Jesuit reductions in Paraguay and Boliviaproduced Baroque churches, carved imagery, and polyphonic music blending European instruments with Guaraní voices.
In southern Chile and Patagonia, horse and iron tools transformed Indigenous mobility and warfare, while Spanish ports outfitted galleons and whalers bound for the Strait of Magellan.
Movement and Interaction Corridors
The continent’s arteries of exchange intertwined:
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Silver highways: Carried bullion from Potosí to Lima and Buenos Aires, then to Seville.
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Amazonian rivers: Sustained mission networks and trade in cacao, dyes, and forest goods.
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Jesuit routes: Linked the Guaraní reductions to coastal Brazil and Peru until their 1767 suppression.
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Slave routes: Africans entered through Cartagena, Bahia, and Rio de Janeiro, infusing the Atlantic littoral with Afro-American cultures.
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Frontier circuits: Horses, cattle, and textiles moved between the Llanos, Chaco, Araucanía, and Pampas, blurring boundaries between empire and autonomy.
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Southern seas: The Falklands and Juan Fernández Islands became whaling and provisioning hubs; the Strait of Magellan gained strategic significance for global shipping.
Cultural and Symbolic Expressions
Baroque Catholicism shaped public life—cathedrals, processions, and festivals dominated cities—yet beneath its veneer Indigenous and African traditions thrived.
In the Andes, saints merged with huacas and mountain spirits; in Brazil, candomblé and capoeira fused faith and resistance; in the missions, music and sculpture translated theology into local idioms.
Creole intellectuals absorbed Enlightenment ideas: scholars such as Juan Pablo Viscardo y Guzmán, Francisco de Miranda, and Simón Rodríguez envisioned liberty and reform. Across the south, Mapuche ngillatun and Tehuelche rituals reaffirmed identity against colonial advance, while sailors and exiles endowed remote islands with myths of endurance—from the Jesuit martyrdoms of Chiloé to Selkirk’s solitude on Juan Fernández.
Environmental Adaptation and Resilience
Agricultural and ecological ingenuity persisted:
terraced farming, irrigation canals, and crop diversity buffered Andean villages; shifting cultivation and forest gardens stabilized Amazonian societies.
Pastoralism spread—cattle on the Pampas, sheep on Patagonian plains—reshaping grasslands and displacing wildlife.
Indigenous nations south of the Andes adapted the horse, expanding mobility and defense. Coastal communities recovered from earthquakes and volcanic eruptions, rebuilding cities with brick, tile, and lime.
Technology and Power Shifts (Conflict Dynamics)
By the eighteenth century, reform and resistance accelerated collapse of the old order:
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Bourbon Reforms (Spain) and Pombaline Reforms (Portugal) sought efficiency and revenue, tightening imperial control but provoking resentment.
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Jesuit Expulsion (1759–1767): Dismantled mission economies and destabilized Indigenous frontiers.
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Indigenous revolts: The Comunero uprisings (New Granada, 1781) and Túpac Amaru II’s Rebellion (Peru, 1780–81) fused anti-tax protest with ancestral revival.
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Slave and maroon resistance: Palmares in Brazil and quilombos across the Guianas and Venezuela embodied enduring defiance.
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Wars of Independence (1810–1824): From the Caracas junta to the crossing of the Andes, revolution swept the continent. Leaders—Simón Bolívar, José de San Martín, Bernardo O’Higgins, and José Artigas—toppled viceroyalties and declared new republics.
In the south, Chile’s patriots triumphed after Chacabuco (1817) and Maipú (1818); Argentina secured independence under the United Provinces; Brazil separated peacefully from Portugal in 1822 under Dom Pedro I. Yet Indigenous nations in Patagonia and Araucanía, though weakened, remained outside firm national control until late in the following century.
Transition (to 1827 CE)
By 1827 CE, the map of South America was redrawn. The viceroyalties of Spain and the captaincy of Portugal had dissolved into a dozen republics and one empire.
Lima, Buenos Aires, Bogotá, Caracas, and Rio de Janeiro emerged as capitals of sovereign states.
The Mapuche, Tehuelche, and Fuegians still held the far south; the Falklands and Juan Fernández Islands became contested imperial outposts.
Mining and plantation economies endured but shifted under new flags, while slavery, tribute, and caste hierarchies began to crumble.
The colonial age had ended: South America entered the modern era forged in rebellion, grounded in geography, and alive with the intertwined legacies of empire, Indigenous endurance, and creole revolution.
South America Major (1684–1827 CE)
Revolts, Reforms, and the Birth of Independence
Geographic Definition of South America Major
The subregion of South America Major encompasses all lands north of the Río Negro, extending across the full continental span of Brazil, Uruguay, Paraguay, northern Argentina and northern Chile, Bolivia, Peru, Ecuador(excluding the Cape lands at the Isthmian boundary), Colombia (excluding the Darién region, which belongs to Isthmian America), Venezuela, Guyana, Suriname, and French Guiana.
Anchors include the Andes cordillera and Altiplano, the Amazon basin, the Orinoco and Magdalena river systems, the Venezuelan Llanos, the Gran Chaco, the Uruguayan Pampas, and the Guiana Shield.
Bounded by Isthmian America to the north and Subcontinental South America to the south, this subregion forms the continental heartland of South America—linking the Pacific and Atlantic worlds through its intertwined highlands, forests, plains, and river systems.
Geography and Imperial Frontiers
Between 1684 and 1827, South America Major transformed from a colonial realm into a constellation of independent nations. The Andes still anchored Spanish power, while the Amazon basin, the Guiana forests, and the southern plains remained vast, contested frontiers. The Portuguese advanced deep into Brazil’s interior, expanding beyond the Tordesillas meridian through mining and ranching; Spain struggled to govern its mountainous viceroyalties from distant Lima and Bogotá. The region’s geography—its cordilleras, rivers, and forests—both connected and divided peoples, shaping the uneven course of empire and revolution.
Climate and Environmental Shifts
The late Little Ice Age brought alternating droughts and floods, influencing agriculture and settlement.
In the Andes, glaciers advanced slightly, shortening growing seasons and threatening terraced crops.
Across Brazil’s cerrado and the Guiana forests, rainfall swings altered river regimes and harvests, while El Niño events disrupted Pacific fisheries and Peruvian coastal farming.
The Llanos and Pampas alternated between lush pastures and parched plains.
Environmental volatility spurred adaptation—new crops, irrigation, and migration—within both colonial estates and Indigenous territories.
Subsistence and Settlement
By the 18th century, the subregion was a patchwork of imperial economies and Indigenous persistence:
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Andean highlands: Mining towns like Potosí, Oruro, and Huancavelica remained economic cores. Encomienda and mita labor systems evolved into wage and debt peonage, sustaining silver and mercury production. Highland farmers grew maize, potatoes, and quinoa; imported wheat spread in valleys.
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Coastal Peru and Ecuador: Plantation agriculture expanded around sugar, cotton, and vineyards; coastal ports like Lima, Guayaquil, and Callao handled global trade.
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Brazilian interior: Gold and diamond booms in Minas Gerais (1690s onward) transformed Brazil’s economy, drawing settlers inland. Cattle ranching and sugar plantations flourished in Bahia, Pernambuco, and the Recôncavo, while the Amazon sustained missions and extractive trade in cacao, dyes, and forest goods.
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Paraguay and Uruguay: Yerba mate, hides, and cattle became major exports; Jesuit reductions integrated Guaraní communities into mission economies until their expulsion in 1767.
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Venezuela and Colombia: The Llanos supported cattle ranching and cocoa cultivation; the Magdalena and Orinoco rivers formed transport arteries between highlands and coasts.
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Guianas: French, Dutch, and British outposts extracted sugar and timber, relying heavily on enslaved African labor.
Despite growing European control, Indigenous and Afro-descended communities remained central to labor, knowledge, and resistance across every ecological zone.
Technology and Material Culture
Mining innovations—mercury amalgamation and mule-driven mills—deepened dependence on Indigenous and enslaved workers.
In Brazil, smelting, waterwheels, and canalized sluices spread through mining districts; in Andean Peru, silver-processing patios reshaped entire valleys.
Agricultural technologies mixed Iberian plows and presses with Indigenous irrigation and terracing.
Architecture fused baroque cathedrals and mission churches with local materials—adobe, stone, and timber.
Textiles, pottery, and metalwork blended European and Indigenous forms: the Cusco School of painting, Jesuit mission music, and Afro-Brazilian festivals reflected a growing creole aesthetic.
Movement and Interaction Corridors
Continental networks intensified:
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Silver highways: From Potosí to Lima, mule trains and caravans linked mines, ports, and European markets.
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Brazilian gold routes: Trails from Minas Gerais and Goiás led to Salvador and Rio de Janeiro, shifting Brazil’s economic center southward.
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Amazon and Orinoco rivers: Served both Indigenous canoe trade and Portuguese mission expansion.
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Atlantic slave routes: Enslaved Africans arrived at Bahia, Cartagena, and the Guianas, embedding African culture into creole societies.
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Mission networks: Jesuit and Franciscan roads connected Paraguay’s reductions, Amazon missions, and Andean highlands.
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Trade corridors: Buenos Aires rose as a smuggling hub, connecting the Rio de la Plata with Potosí’s silver traffic, despite royal prohibitions.
By the 18th century, contraband trade and overland communication tied the continent together as never before.
Cultural and Symbolic Expressions
Baroque Catholicism dominated urban and rural life. Churches, processions, and festivals blended European theology with Indigenous ritual and African devotion. Saints’ cults and pilgrimages mapped sacred geography across the Andes and coasts.
In the Amazon and Paraguay, missions combined Gregorian chant and local music.
Creole intellectuals and clergy began articulating local pride—Garcilaso de la Vega, Sor Juana Inés de la Cruz, and Jesuit scholars in Lima and Quito bridged colonial scholasticism and early Enlightenment.
Indigenous and Afro-descended populations kept older spiritual systems alive beneath Catholic veneers: Andean huaca worship, Guaraní dances, and Afro-Brazilian congado and candomblé merged cosmologies into living syncretism.
Environmental Adaptation and Resilience
Agricultural and ecological ingenuity persisted across regions:
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Terracing and crop rotation sustained Andean villages under frost and drought.
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Irrigation canals and sugar mills stabilized coastal economies.
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Amazonian peoples used shifting cultivation and forest-garden mosaics to preserve fertility.
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Cattle and sheep grazing expanded across the Llanos, Chaco, and Pampas, reshaping ecosystems into ranching frontiers.
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Urban centers managed periodic famine with granaries, trade, and church relief.
Even under imperial extraction, local adaptation ensured survival and continuity.
Technology and Power Shifts (Conflict Dynamics)
By the 18th century, reform and resistance redefined empire:
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Spanish Bourbon Reforms (from 1700): Centralized administration, curbed local autonomy, and taxed trade and mining; these policies fueled unrest among criollo elites.
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Brazil under Pombal (1750s–1770s): The Marquis of Pombal reorganized administration, expelled Jesuits (1759), and encouraged secular colonization in Amazon and frontier zones.
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Indigenous and popular uprisings: The Comunero Revolts in New Granada (1781) and Túpac Amaru II’s Rebellion in Peru (1780–81) blended anti-tax grievances with calls for justice and autonomy.
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Slave resistance: Palmares in Brazil’s northeast and smaller maroon communities across Suriname, the Guianas, and Venezuela embodied defiance and survival.
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Foreign wars: Spain’s and Portugal’s European conflicts—War of the Spanish Succession (1701–1714) and Napoleonic invasions (1807–1808)—weakened colonial control.
Transition (to 1827 CE)
By 1827, South America Major was no longer colonial. Revolutions ignited by Simón Bolívar, José de San Martín, José Artigas, and others swept through Andes and plains.
From Caracas to Buenos Aires, new republics—Colombia, Venezuela, Peru, Chile, Argentina, Paraguay, Uruguay, and Brazil’s empire—emerged from the ruins of Iberian dominion.
Mines and missions, ranches and plantations, cities and forests—each bore the marks of both conquest and continuity.
The subregion entered the modern age through conflict and transformation: Indigenous persistence, African cultural legacies, and creole aspirations forged a South America no longer imperial, but still profoundly shaped by its colonial past.
O'Higgins and many of the Chilean rebels escape to Argentina.
This new government decides to promote a new campaign to the Upper Peru with a reorganized Army of the North and appoints José de San Martín, a veteran of the Napoleonic Wars who had recently arrived from Spain, as lieutenant colonel.
San Martín is ordered to create the professional and disciplined cavalry unit known as Regiment of Mounted Grenadiers (Spanish: Granaderos a caballo).
Manuel Belgrano raises the Flag of Argentina (which he designed) in the city of Rosario, for the first time, on February 27, 1812.
José de San Martín, for twenty years a soldier for the Spanish crown, serving mostly in European campaigns, returns to Buenos Aires in 1812 to join the forces fighting for the liberation of his homeland.
Historians will propose several explanations for this action: the common ones are that he missed his native country, that he was a British agent and the congruence of the goals of both wars.
The first explanation suggests that when the wars of independence began San Martín thought that his duty was to return to his country and serve in the military conflict.
The second explanation suggests that Britain, which would benefit from the independence of the South American countries, sent San Martín to achieve it.
The third suggests that both wars were caused by the conflicts between Enlightenment ideas and absolutism, so San Martín still waged the same war; the wars in the Americas only developed separatist goals after the Spanish Absolutist Restoration.
San Martín had been initiated in the Lodge of Rational Knights in 1811.
They met at the house of Carlos María de Alvear, other members were José Miguel Carrera, Aldao, Blanco Encalada and other criollos, American-born Spaniards.
They had agreed to return to their home countries and join the local revolutionary movements.
San Martín had asked for his retirement from the military, and moved to Britain, staying in the country for a short time, and meeting many other South Americans at a lodge held at the house of Venezuelan general Francisco de Miranda at 27 Grafton Street (now 58 Grafton Way), Bloomsbury, London (the house now has a blue plaque with Miranda's name).
He then sailed to Buenos Aires aboard the frigate George Canning, along with the South Americans Alvear, Francisco José de Vera and Matías Zapiola, and the Spaniards Francisco Chilavert and Eduardo Kailitz.
They arrives on March 9, 1812, to serve under the First Triumvirate.
San Martín, proving himself a master military tactician, will aid General Belgrano in his defeat of Spanish royalist forces in early clashes in Paraguay, Chile, Peru and Uruguay.
William Brown, an Irish-born rebel leader and future Admiral of the Navy of Argentina, begins a blockade of Montevideo, the colonial capital of Rio de la Plata, on May 16.
Gaspar de Vigodet, Spain's last colonial administrator of the Viceroyalty of the Río de la Plata (covering nearly all of modern-day Argentina, Chile, Paraguay and Uruguay), surrenders the city of Montevideo to independence fighters, led by General Carlos María de Alvear, on June 26, 1814.
They had appointed him a lieutenant colonel of cavalry, and asked him to create a cavalry unit, as Buenos Aires did not have good cavalry.
He began to organize the Regiment of Mounted Grenadiers with Alvear and Zapiola.
As Buenos Aires lacked professional military leaders, San Martín had been entrusted with the protection of the whole city, but had kept focused on the task of building the military unit.
San Martín, Alvear and Zapiola have established a local branch of the Lodge of Rational Knights, along with morenists, the former supporters of the late Mariano Moreno.
This lodge seeks to promote liberal ideas; its secrecy hides whether it was a real Masonic lodge, or a lodge with political goals.
It has no ties to the Premier Grand Lodge of England.
San Martín has married María de los Remedios de Escalada, a fourteen-year-old girl from one of the local wealthy families.
The lodge organizes the Revolution of October 8, 1812, when the terms of office of the triumvirs Manuel de Sarratea and Feliciano Chiclana end.
Juan Martín de Pueyrredón promotes antimorenist new members, Manuel Obligado and Pedro Medrano, by preventing the vote of three deputies and thus achieving a majority.
As this causes a commotion, San Martín and Alvear intervene with their military force, and the Buenos Aires Cabildo disestablishes the triumvirate.
It is replaced by the Second Triumvirate of Juan José Paso, Nicolás Rodríguez Peña and Antonio Álvarez Jonte.
The new triumvirate calls the Assembly of the Year XIII and promotes San Martín to colonel.
General José de San Martín replaces Manuel Belgrano, who had been routed at the battles of Vilcapugio and Ayohuma in 1813, as commander of the Argentine revolutionary forces.