Warlike herding lords of the Pampas-river headwaters who nearly took Cusco before Pachacuti's army turned them back.
Not an ending: crushed at Yawarpampa in 1438, the Chanka were scattered as mitmaq colonists across Tawantinsuyu and held in bondage for over a century; when the Inca Civil War broke Cusco's grip, Chanka survivors allied with Pizarro's expedition hoping to recover their lands, and did regain freedom and territory under the Viceroyalty, though abuses such as Father Juan Bautista de Albadán's decade of torture (1601-11) at Pampachiri went unpunished. Chanka descendants live on today in Apurímac and Ayacucho, Peru.
Hemming's standard history of the Inca, including the Chanka war that nearly took Cusco before Pachacuti.
Ramírez on cross-cultural conflict in 16th-century Peru, the post-conquest world the scattered Chanka entered (broad context).