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 (上杉朝良; died 1518) had a retainer Ueda Masamori (上田政盛) who rebelled against him and laid siege to his castle of Gongenyama. Masamori was defeated.[1]

Siege of Gogenyama
Part of the Sengoku period
Date1510
Location
Gogen-yama Castle, Kanagawa Prefecture
Result Uesugi victory
Belligerents
forces of Ueda Masamori forces of Uesugi Tomoyoshi
Commanders and leaders
Ueda Masamori Uesugi Tomoyoshi

References

edit
  1. ^ Turnbull, Stephen (1998). The Samurai Sourcebook. Cassell & Co. p. 208. ISBN 1854095234.