1538: The First Battle of Kōnodai - Sengoku Shogun Map
Koyumi Kubō Ashikaga Yoshiaki took position at Kōnodai in Shimōsa with Satomi Yoshitaka and others and fought Hōjō Ujitsuna's army. The Hōjō won, Yoshiaki was killed, and the Bōsō forces retreated.
Major events
- 1538-10: First Battle of Kōnodai — The Bōsō forces of Ashikaga Yoshiaki, Satomi Yoshitaka, and their allies fought Hōjō Ujitsuna's army at Kōnodai. The Hōjō won and Yoshiaki was killed.