Siege of Hasedō
1600 CE.
Shown on the map at 38.213°, 140.272°.
The siege of Hasedō (長谷堂城の戦い) was one of a series of battles fought in the far north of Japan's main island of Honshū (the Tōhoku region) contemporaneous with the famous and decisive campaigns between Tokugawa Ieyasu and Ishida Mitsunari further south.
Text from the Wikipedia article Siege of Hasedō, licensed CC BY-SA 4.0.