1540: Siege of Yoshida-Koriyama
Amago Haruhisa attacked Yoshida-Koriyama Castle in Aki, but Mōri Motonari successfully defended it with Ōuchi reinforcements. The conflict between the Amago and Mōri in Chūgoku became clear.
Events this year
Month 9
Siege of Yoshida-Koriyama
Amago Haruhisa attacked Yoshida-Koriyama Castle, but Mōri Motonari defended it with Ōuchi reinforcements.
See this battle in detail →Amago Haruhisa・Amago commander in chief; besieged Yoshida-KoriyamaMōri Motonari・Lord of Yoshida-Koriyama; led the defense
Sources 安芸高田市「郡山城跡（吉田町）」／安芸高田市「青光井山尼子陣所跡（吉田町）」