Siege of Takatō
1582 CE.
Shown on the map at 35.833°, 138.063°.
In the history of Japan, the 1582 siege of Takatō (高遠城の戦い) was one of the final battles of the Takeda clan against the forces of Oda Nobunaga. The only Takeda stronghold in Shinano province to put up any resistance to Nobunaga's final invasion of Takeda domain (in February 1582), the castle was taken by storm on March the 2nd 1582.
Text from the Wikipedia article Siege of Takatō (1582), licensed CC BY-SA 4.0.