[Yamagata Prefecture during the Boshin War] Decisions made by the Shonai, Yonezawa, Yamagata, Uenoyama, Tendo, and Shinjo domains...
During the Boshin War, a battle was fought in Yamagata Prefecture over the Shonai clan, which was regarded as an enemy of the Imperial Court, along with the Aizu clan. In addition to the Shonai domain with 170,000 koku and the Yonezawa domain with 180,000 koku...