Expansion of the Chimú Kingdom

Timeline

1. 1141–1145Moche Valley · La Libertad RegionChimú rulers (the Sicán) advanced from Chan Chan into the lower Moche Valley, conquering or absorbing local chiefdoms, establishing systems of tribute and corvée, and incorporating the coastal irrigated agricultural zones into the kingdom's administrative network.
2. 1143–1150Chan Chan · La Libertad RegionThe Chimú continuously expanded the fortress-like adobe palace complexes (ciudadelas) at Chan Chan, walled administrative-religious compounds that displayed royal authority; themes of fishing, seafaring, and sacrifice in the relief decorations reflected the maritime economy and royal ideology.
3. 1145–1150Lambayeque Valley · Lambayeque RegionChimú power advanced southward along the northern Peruvian coast, integrating river-valley city-states such as Lambayeque, controlling coastal fisheries, cotton cultivation, and metallurgical resources, and forming the embryonic Chimú Empire stretching along the entire North Coast.