What the records say
- When
- 1510
- Kind
- Siege
- Coordinates
- 35.47° N, 139.63° E
- Description
- 1510 siege
Siege of Gongenyama
The siege of Gongenyama (権現山の戦い) occurred in 1510 during the Sengoku period of Japan's history. The daimyō Uesugi Tomoyoshi had a retainer Ueda Masamori (上田政盛) who rebelled against him and laid siege to his castle of Gongenyama. Masamori was defeated.
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