1504: The Battle of Tachikawahara and Reconciliation of the Hatakeyama Factions - Sengoku Shogun Map
In September, the forces of Yamanouchi Uesugi Akisada fought those of Ōgigayatsu Uesugi Asayoshi, Imagawa Ujichika, and Ise Sōzui at Tachikawahara in Musashi, where the Ōgigayatsu side prevailed. Akisada then counterattacked with reinforcements from Echigo, and the Chōkyō War continued until the following year's peace. In Kawachi, the rival Hatakeyama factions led by Hisanobu and Yoshihide reconciled in December.
Major events
- 1504-09: Battle of Tachikawahara — The forces of Yamanouchi Uesugi Akisada clashed at Tachikawahara in Musashi with those of Ōgigayatsu Uesugi Asayoshi, Imagawa Ujichika, and Ise Sōzui. The Ōgigayatsu side won, but the war continued when Akisada counterattacked with reinforcements from Echigo.
- 1504-12: Hatakeyama Hisanobu and Yoshihide Reconcile — Hatakeyama Hisanobu and Hatakeyama Yoshihide, rival claimants to power in Kawachi, reconciled in December. Hisanobu withdrew to Kii the following year, and relations between the factions remained vulnerable to changes in central politics.