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| Siege of Cuzco | |
|---|---|
| Conflict | Siege of Cuzco |
| Partof | Inca Empire civil wars and Spanish conquest of the Americas |
| Date | c. 1536–1537 |
| Place | Cuzco, Peru |
| Result | Capture and recapture phases; eventual Spanish Empire control |
| Combatant1 | Spanish Empire; Diego de Almagro faction; Huascar? [contested] |
| Combatant2 | Manco Inca Yupanqui; Inca Empire loyalists; Vilcabamba resistors |
| Commander1 | Francisco Pizarro; Hernando Pizarro; Gonzalo Pizarro; Diego de Almagro (context); Almagro the Younger? |
| Commander2 | Manco Inca Yupanqui; Quisquis; Titu Cusi Yupanqui? |
| Strength1 | Spanish garrison, indigenous allies, cavalry, artillery |
| Strength2 | large Inca army, militia, siege forces |
| Casualties1 | heavy among garrison; many wounded and killed |
| Casualties2 | heavy; disease and famine affected defenders |
Siege of Cuzco The siege of Cuzco was a pivotal confrontation during the mid-1530s struggle for control of the former Inca Empire capital between Manco Inca Yupanqui's forces and the Spanish Empire garrison led by Francisco Pizarro's lieutenants. The protracted investment followed the capture and initial occupation of Cuzco and became central to the wider contest involving figures such as Diego de Almagro, Hernando Pizarro, Gonzalo Pizarro, and allied indigenous leaders. The siege shaped the consolidation of Viceroyalty of Peru authority and influenced later resistance centered at Vilcabamba and the Neo-Inca State.
Following the Spanish conquest of the Inca Empire, the seizure of Atahualpa at Cajamarca and the subsequent executions and redistributions precipitated fractures among conquistadors including Francisco Pizarro, Diego de Almagro, and Hernando Pizarro. The capture of Cuzco by Spanish forces after the Battle of Cuzco (1533) created tensions with remaining Inca elites including Manco Inca Yupanqui and rival claimants such as Atahualpa's generals and supporters of Huáscar. The broader geopolitical context invoked actors such as Charles V, Emperor Charles V, the Council of the Indies, and colonial administrators in Seville and Lima; the redistribution of encomiendas and clashes with extractive interests exacerbated indigenous grievances. Regional centers like Pisac, Ollantaytambo, Machu Picchu (later significant), and the province of Tambo were theaters for mobilization. The arrival of reinforcements under leaders connected to the Reconquista and veterans of the Italian Wars influenced military practice, while epidemics introduced via European contact impacted demographic and logistic conditions.
On the Spanish side, principal commanders in the Cuzco theater included Francisco Pizarro's brothers Hernando Pizarro and Gonzalo Pizarro, veterans such as Pedro de Alvarado's contemporaries, and captains drawn from the Castile and Extremadura contingents. The garrison incorporated cavalry, arquebusiers, crossbowmen, and artillery crews with gunpowder technology familiar from conflicts like the Italian Wars and the Reconquista. Indigenous allies allied to the Spanish included factions from Chachapoyas, Cañaris, and other ayllus opposed to Inca hegemony. Opposing them, Manco Inca Yupanqui marshaled a coalition of orthodox Inca nobility, regional curacas, and seasoned warriors from provinces such as Antisuyu, Chinchaysuyu, and Collasuyu. Notable Inca commanders and figures of resistance included leaders from Vilcabamba and military specialists versed in siegecraft adapted to Andean terrain. Logistics drew on highland llama caravans, storehouses at Qollqas, and labor levies organized through the mit'a system.
After a dramatic breakout attempt and subsequent rearguard actions, Manco Inca's forces initiated siege works around the city, employing stockades, trenches, and blockades to cut Spanish access to supplies and reinforcements. The Spanish garrison defended using fortified plazas, bastions adapted from European trace italienne ideas, and counterattacks by cavalry sorties. Communication with coastal settlements like Lima and Piura became critical; relief columns from the coast, including contingents associated with Diego de Almagro’s faction, attempted to lift pressure. Terrain features such as the Huatanay River valley, the Sacsayhuamán complex, and surrounding ridgelines shaped operations, allowing Inca forces to control high ground and stage assaults on fortifications. Seasonal weather, elevation, and epidemics influenced tempo and attrition on both sides.
Major engagements included assaults on fortified positions such as Sacsayhuamán, pitched fights at approaches like the Tambomachay sector, and sorties culminating in battles where Spanish cavalry and firearms inflicted heavy casualties despite numerical inferiority. Skirmishes involved leaders such as Gonzalo Pizarro and indigenous captains allied to Spain, while Inca leaders coordinated massed shock tactics and encirclements. The siege featured notable episodes: large-scale night attacks, incendiary actions against Spanish quarters, and attempts to sever Spanish access to local food caches. Relief battles outside Cuzco drew in reinforcements led by figures with claims to authority, including followers of Diego de Almagro and other conquistadors contesting governorships and rights granted by Royal Grants.
The end of the siege—marked by partial Spanish retention of the city and Inca tactical withdrawals—produced far-reaching consequences. The episode accelerated the shift of Spanish governance toward consolidation under Viceroyalty of Peru institutions and prompted punitive expeditions into Andean interiors. Manco Inca retreated, later establishing a rump state in Vilcabamba, which continued resistance under successors such as Túpac Amaru and Titu Cusi Yupanqui. The conflict reshaped encomienda allocations, influenced the legal debates in Seville and before the Council of the Indies, and factored into subsequent campaigns led by Pedro de la Gasca and royal agents. Demographic decline from warfare and disease altered labor supply, affecting mining centers like Potosí and agricultural zones in Arequipa and Cusco Region.
Culturally, the siege intensified processes of syncretism and patrimonial appropriation as Spanish authorities repurposed Inca architecture at Coricancha and Sacsayhuamán for colonial institutions and churches associated with Spanish Catholic Church orders such as the Jesuits and Franciscans. Political legitimation narratives by figures like Francisco Pizarro were contested by indigenous chronicles and oral histories preserved by leaders linked to the Neo-Inca State; later sources include accounts referencing Garcilaso de la Vega, el Inca and Pedro Cieza de León. The siege’s legacy influenced Peruvian identity debates, archaeology at sites including Ollantaytambo and Machu Picchu, and historiography involving scholars from institutions such as National University of San Marcos and museums like the Museo Inka. Internationally, the events fed into imperial policy in Castile and informed subsequent colonial strategies across Spanish America.
Category:Battles involving the Inca Empire Category:Battles of the Spanish conquest of the Inca Empire