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| Auxiliary Campaign to Upper Peru | |
|---|---|
| Name | Auxiliary Campaign to Upper Peru |
| Partof | Argentine War of Independence |
| Date | 1810–1817 |
| Place | Upper Peru, Viceroyalty of the Río de la Plata |
| Result | Strategic setbacks; influence on Peruvian War of Independence |
| Combatant1 | United Provinces of the Río de la Plata |
| Combatant2 | Royalist Spain |
| Commander1 | Manuel Belgrano, Juan José Castelli, Juan Martín de Pueyrredón |
| Commander2 | José de Córdoba y Rojas, Mariano Ricafort |
Auxiliary Campaign to Upper Peru was a series of military expeditions mounted by the United Provinces of the Río de la Plata into Upper Peru between 1810 and 1817 aiming to dislodge Royalist authority and extend revolutionary control over the former territories of the Viceroyalty of the Río de la Plata. The campaign intersected with contemporaneous conflicts such as the Reconquista (Spanish America) and the Peruvian War of Independence, involving key figures like Manuel Belgrano, José de San Martín, and Simón Bolívar in broader geopolitical contests among Spanish, Creole, and indigenous actors. Strategic outcomes influenced later operations in Peru, Chile, and the political balance within the United Provinces.
The campaign sprang from the May 1810 May Revolution in Buenos Aires and the collapse of royal authority after the Peninsular War and the abdications at Bayonne. Revolutionary leaders in the Primera Junta sought to secure frontier provinces contested by Real Audiencia of Charcas and prevent Royalist counterattacks supported from Lima and the Viceroyalty of Perú. Economic ambitions tied to the mining centers of Potosí, rivalry with Banda Oriental elites, and the politics of the Congress of Tucumán fueled decisions made by commanders such as Juan José Castelli and administrators like Mariano Moreno. International dimensions included concerns about British commercial interest represented by the South Sea Company and diplomatic overtures from the United Kingdom of Great Britain and Ireland.
Revolutionary forces were drawn from the Army of the North under generals such as Manuel Belgrano, Juan Martín de Pueyrredón, and later José Rondeau, supplemented by militias from Salta, Jujuy, and Córdoba (city). Royalist forces fielded units loyal to the Viceroyalty of Perú commanded by figures like José de Córdoba y Rojas, Mariano Ricafort, and provincial caudillos allied to the Real Audiencia of Charcas. Indigenous and Creole loyalties split among leaders including Tupac Amaru II's legacy and local chiefs in Tarija and Oruro. Foreign volunteers, veterans of the Napoleonic Wars and émigrés linked to British Legions, also appeared among the ranks, while naval influence from Commodore William Brown affected supply lines.
Major engagements included the early victories and defeats at the Battle of Suipacha, the defeats for Belgrano at the Battles of Vilcapugio and Ayohuma, and later maneuvers around Araucanía and Potosí. The Jujuy Exodus and the strategic withdrawal from Salta Province were decisive in shaping operations. Siege warfare at towns like Cochabamba and clashes near Tarija involved tactics borrowed from Spanish American wars of independence and European Napoleonic practice. Coordination attempts with simultaneous operations in Chile under José de San Martín sought to divert Royalist resources from Upper Peru, while diplomatic moves in Lima and Cuenca influenced campaign tempo.
The campaign confronted extreme geography ranging from the Andes to the altiplano around Potosí and the valleys of Sucre (Bolivia). Long supply lines from Buenos Aires across the Gran Chaco and difficult mountain passes like those near Jujuy and Salta Province complicated provisioning and reinforcement. Seasonal weather patterns tied to the South American monsoon affected cavalry operations and mule trains critical for transporting ordnance, while epidemics similar to outbreaks recorded in Lima and Córdoba (city) affected troop strength. Royalist control of key mining towns disrupted revenue streams once controlled by the Real Audiencia of Charcas and hindered revolutionary requisitioning strategies advocated by administrators in the Primera Junta.
The campaign shaped politics within the United Provinces of the Río de la Plata, influencing debates in the Congress of Tucumán about territorial claims and sovereignty. Failures and partial successes altered relationships with neighboring polities including the United Kingdom of Portugal, Brazil and the Algarves and the Captaincy General of Chile. Royalist resilience in Upper Peru propelled diplomatic efforts by envoys sent to Lima and to European capitals, while victories at moments like Suipacha bolstered revolutionary legitimacy in Buenos Aires during negotiations with British merchants and the Council of Regency. The contest for Upper Peru also intersected with indigenous political movements and the legacy of earlier rebellions in Quito and Upper Peru.
By 1817 the campaign had failed to secure Upper Peru permanently for the United Provinces, setting the stage for renewed offensive planning culminating in the later campaigns by José de San Martín and the continental campaigns of Simón Bolívar. The persistence of Royalist power in Upper Peru contributed to the eventual emergence of separate states such as Bolivia following the Congress of Angostura and later diplomatic accords like the Treaty of Potosí discussions. Military lessons influenced reforms in the Army of the Andes, recruitment practices in Salta, and the evolution of caudillo politics exemplified by figures like Juan Manuel de Rosas. The campaign's legacy endures in historiography debated by scholars referencing archives in Buenos Aires, Sucre, and Madrid.
Category:Argentine War of Independence Category:Wars of South American independence