a major conflict between Tokugawa shogunate and native powers in Hokkaido
natives were overwhelmed by firearms of the shogunate.
Shakushain (1606-1669) was a leader of Ainu tribes.
Ainu tribes were divided by Russia and Japan later in 19th century.
https://en.wikipedia.org/wiki/Shakushain's_revolt
CC BY-SA 4.0
