Battle of Kōshū-Katsunuma
1868 CE.
Shown on the map at 35.655°, 138.746°.
The Battle of Kōshū-Katsunuma (甲州勝沼の戦い, Kōshū-Katsunuma no tatakai) took place between pro-Imperial and Tokugawa shogunate forces during the Boshin War in Japan. The battle followed the Battle of Toba–Fushimi on 29 March 1868 (Gregorian calendar).
Text from the Wikipedia article Battle of Kōshū-Katsunuma, licensed CC BY-SA 4.0.