Question: Who claimed the regions of Araucania and eastern Patagonia while also being accused of being a self-proclaimed king?
Sentence (from "Kingdom of Araucanía and Patagonia"): It was an unrecognized state that enjoyed only marginal sovereignty in a brief period of time, through alliances with some Mapuche lonkos, in a reduced area of Araucanía, in current Chile.
Relevant evidence: No