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Polity

Inca Empire

Inca Empire (1438-1533 CE) - The Andean empire that unified much of western South America, established administrative systems, and created foundations for later Andean governance before Spanish conquest.

Andean

Overview

The Inca Empire (1438-1533 CE) was the Andean empire that unified much of western South America, established administrative systems, and created foundations for later Andean governance before Spanish conquest. It exemplifies the conquest-integration pattern through administrative systems and road networks.

Formation

  • Formation Date: 1438 CE - Established by Pachacuti
  • Formation Event: inca empire founded 1438ce
  • Key Actors: Pachacuti (founder)
  • Context: Preceded by various Andean kingdoms
  • Formation Process: Conquest and unification of Andean territories

Persistence

  • Key Periods:
    • Early Inca (1438-1471 CE): Initial consolidation under Pachacuti
    • Classical Inca (1471-1525 CE): Peak expansion
    • Late Inca (1525-1533 CE): Decline and Spanish conquest
  • Internal Developments:
    • Administrative systems (mita labor system)
    • Road networks (Qhapaq Ñan)
    • Cultural achievements (architecture, textiles, quipu)
  • Administrative Structure: Imperial administration, mita labor system
  • Territorial Changes:
    • Peak expansion (1525 CE)
    • Spanish conquest (1533 CE)
  • Key Events:
    • Various conquest, reform, and cultural events

Transformation

  • Major Changes:
    • Administrative Systems: Mita labor system, road networks
    • Road Networks: Qhapaq Ñan (extensive road system)
    • Cultural Achievements: Architecture, textiles, quipu
  • Key Events:
    • Various transformation events
  • Key Actors:
    • Various Inca emperors

Dissolution

  • Dissolution Date: 1533 CE - Fall to Spanish conquest
  • Dissolution Event: inca empire fell 1533ce
  • Dissolution Process: Spanish conquest (Francisco Pizarro)
  • Successor Polities:
    • Spanish Empire / Viceroyalty of Peru
  • Legacy:
    • Administrative system models (mita labor system)
    • Road network foundations
    • Cultural and institutional models

Quantitative Data

Predecessors

  • Various Andean kingdoms (pre-1438 CE)

Successors

  • Spanish Empire / Viceroyalty of Peru

Conquests

  • Conquered By: Spanish Empire (1533 CE)
  • Conquered: Various territories in western South America

Pattern Relevance

GGS Framework

Conquest Integration Framework

About this entry

A draft entry preserved from civilization.study. Evidence grade: strong. 1 of 2 listed sources are fully documented; the rest are names only. Method and sources

CAD Framework

  • Scale: Institution, Civilization (polity is institutional-scale within Andean civilization)
  • Time: Formation (1438 CE), Persistence (1438-1533 CE), Transformation (various periods), Dissolution (1533 CE)
  • Space: Core, Network (Andean core, network expansion)
  • Domain: Institutional, Political, Military, Cultural, Material
  • Mechanism: Formation, Persistence, Transformation, Dissolution
  • Type: Example
  • Framework: GGS Style, Conquest Integration

Chronology Framework

  • Event Links:
    • Formation: inca empire founded 1438ce
    • Dissolution: inca empire fell 1533ce
  • Temporal Context: 1438-1533 CE

Notes

  • Evidence Quality: Strong - well-documented in Inca, Spanish, and historical sources
  • Integration: Links to existing events, patterns
  • Future Research:
    • detailed studies of Inca administrative systems
    • quantitative data for Inca Empire
    • Expand relationship network

Conflicts

Conflicts this polity is recorded in. Cards are generated from Civitas's war records; every one is a draft estimate and none is Official.

How to read the evidence badges
Primary text read
Civitas read the ancient or primary text for at least one figure on this card. Other figures may still be Wikipedia-compiled and are labelled.
Generic placeholder: a split line for a civil conflict. Not an image of this event.
civil war · 1529 CE-April 1532

Inca Civil War (1529-1532 CE)

Succession war that weakened the Inca state immediately before Cajamarca; paired with event-conquest-inca-empire-1532ce.

Evidence: Primary text read Draft estimate

What the record says

  • Unverified (Wikipedia-compiled) Dates 1529 - April 1532 (Wikipedia infobox). War between Huascar and Atahualpa preceding the Spanish arrival.
  • Unverified (Wikipedia-compiled) Wikipedia-compiled (stub): death toll estimated 60,000 to 1,100,000 - an 18x spread; ESTIMATE with LOW confidence; do not chart as data. Disease (smallpox) effects are entangled.
  • Primary text PRIMARY-SOURCE (read 2026-10-12): Xerez (Markham 1872): Huayna Capac left Quito to Atabaliba (Atahualpa) and the rest to the elder son "Cuzco" (Huascar), who made war on his brother; Atahualpa burnt Tumipampa and killed its people; a captain he sent with 2,000 men against his brother's city was wholly killed. Spanish account of Atahualpa's side; no dates or totals.

Confidence. low (death toll).

Where it sits

Sources and evidence

No page-level citation is claimed for any source. Figures marked unverified come from a Wikipedia aggregator and are not for Official use.

Link to this conflict

Generic placeholder: crossed lines for a battle. Not an image of this event.
battle · 16 November 1532

Battle of Cajamarca (1532 CE)

Capture of Atahualpa by a small Spanish force.

Evidence: Primary text read Draft estimate

What the record says

  • Note Date 16 November 1532; outcome: Spanish victory.
  • Unverified (Wikipedia-compiled) Wikipedia-compiled (stub): Spanish 106 infantry and 62 cavalry; Inca guard 3,000-8,000; Inca killed 2,000-3,000, ~7,000 captured; Spanish dead: one (a slave). Spanish-chronicle-based; likely one-sided.
  • Candidate sources Candidate formal sources listed in the Wikipedia infobox/lead for this topic (METADATA-VERIFIED ONLY via Crossref/Open Library; NOT read; relevance to the figures above unverified): MacQuarrie Kim 2012, Last Days of the Incas.
  • Primary text PRIMARY-SOURCE figures: Xerez (Markham transl. 1872, read 2026-10-12): Atahualpa's men numbered "thirty thousand", some "who have seen armies in the field" said more than 40,000; "in the square and on the plain there were two thousand killed, besides wounded"; the litter-bearers and lords were all killed and "no account was taken of them". Written by Pizarro's secretary; partisan.

Confidence. low-medium (Spanish chronicle sources).

Where it sits

Sources and evidence

No page-level citation is claimed for any source. Figures marked unverified come from a Wikipedia aggregator and are not for Official use.

Link to this conflict

Generic placeholder: an advancing line for a war or campaign. Not an image of this event.
conquest · 1532 CE-1572 CE

Spanish Conquest of the Inca Empire (1532-1572 CE)

Small Spanish force exploits Inca civil war, indigenous alliances and disease; Andean counterpart to event-spanish-conquest-tenochtitlan-1521ce.

Evidence: Primary text read Draft estimate

What the record says

  • Note Dates 1532-1572; outcome: Spanish victory.
  • Unverified (Wikipedia-compiled) Wikipedia-compiled (stub): ~168 Spaniards at Cajamarca in 1532; later ~3,000+ Spaniards with ~150,000 indigenous allies (1535). Wikipedia also lists "5,500,000 deaths from disease" - a very uncertain demographic figure; LOW confidence; not used as data.
  • Primary text PRIMARY-SOURCE (read 2026-10-12): Xerez (Markham transl. 1872): before marching inland from San Miguel, Pizarro "mustered sixty-two horsemen and one hundred and two foot soldiers", with crossbowmen made up to twenty. Cajamarca figures: see event-battle-cajamarca-1532ce.

Confidence. medium (narrative); numbers low.

Where it sits

Sources and evidence

No page-level citation is claimed for any source. Figures marked unverified come from a Wikipedia aggregator and are not for Official use.

Link to this conflict

Art: Patterns of Civilization chronicle art, made with AI: illustrations, not historical evidence. Entries are drafts preserved from civilization.study. Method and sources.