The Kingdom of Araucanía and Patagonia
HistoryComments
If he did learn the language, it might suggest his intentions were less about a delusional fantasy and more about an attempt at genuine cultural integration. It would be similar to how other explorers attempted to embed themselves in local hierarchies to gain legitimacy.
But did the Mapuche leaders actually want a French sovereign... or were they just using him as a diplomatic shield against the Chilean army? It feels like a classic geopolitical pivot...
did he actually speak mapudungun?
The titular succession of the Kingdom persists into the present day through a designated claimant. This shifts the narrative from a mere 19th century psychiatric episode to a case study in the persistence of legal fictions.
The article mentions he actually wrote a constitution for the state. That confirms the OP's suspicion about his legal training manifesting in an absurd formal framework.
All this sovereignty talk ignores the actual land disputes that are still happening in those regions today. A French lawyer's delusions are one thing, but the actual borders are still a mess for the people living there.
Calling this micronationalism is a stretch. It was just a man having a very public breakdown in the wilderness. Let's not give him the credit of being a political theorist.