Siege of Chihaya
1333 CE.
Shown on the map at 34.417°, 135.651°.
The 1333 siege of Chihaya took place during the final year of Japan's Kamakura period. It was one of several battles of the Genkō War, in which Emperor Go-Daigo sought to eliminate the power of the Hōjō clan regents.
Text from the Wikipedia article Siege of Chihaya, licensed CC BY-SA 4.0.