Siege of Yoshida Castle
1575 CE.
Shown on the map at 34.770°, 137.393°.
The 1575 siege of Yoshida Castle was undertaken by Takeda Katsuyori against the forces of Tokugawa Ieyasu during the Sengoku Period of Japanese history. This would be one of many battles fought by the Tokugawa and Takeda samurai clans during Japan's Sengoku period (1467-1603).
Text from the Wikipedia article Siege of Yoshida Castle, licensed CC BY-SA 4.0.