Koshamain's War Explained

was an armed struggle between the Ainu and Wajin that took place on the Oshima Peninsula of southern Hokkaidō, Japan, in 1457. Escalating out of a dispute over the purchase of a sword, Koshamain and his followers sacked, before being overcome by superior forces under Takeda Nobuhiro. The principal record of the conflict is Shinra no Kiroku.^{[1] [2]}

See also

• Shakushain's revolt
• Menashi-Kunashir rebellion

Notes and References

1. Web site: https://tsukuba.repo.nii.ac.jp/index.php?active_action=repository_view_main_item_detail&page_id=13&block_id=83&item_id=468&item_no=1 . ja:コシャマインの戦いに関する『新羅之記録』の史料的検討 . Study on the records about the Koshamain Battle in ‘Shinra-no-Kiroku’ . Japanese . Shindō Tōru . . 13 November 2016.
2. Book: The Conquest of Ainu Lands: Ecology and Culture in Japanese Expansion,1590-1800 . Walker, Brett L . . 2001 . 27 . 978-0520248342.