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Chimú-Inca Conflict

Type Event Region Northern Peru Time 1442–1450

From the 1440s, the northward-expanding Inca Empire and the Chimú Kingdom (Chimú culture) of the northern Peruvian coast came into border conflicts a…

Timeline

  1. 1442–1445Frontier Zone South of Cajamarca · Northern PeruAs Inca expansion entered the northern highlands, it clashed with the Chimú Kingdom's sphere of influence south of Cajamarca. Both sides contested vassal chiefdoms and tribute routes, and the Chimú coastal empire centered on Chan Chan began to feel military pressure from the south.
  2. 1445–1450Lambayeque Valley · Northern PeruBoth sides competed for control of local chiefdoms in the Lambayeque and Moche valleys; the Chimú maintained hegemony through metalworking and irrigated agriculture, while the Inca penetrated through military deterrence and marriage diplomacy. No decisive siege of Chan Chan had yet occurred at this stage.

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