 Siege of Iwaya Castle

The Siege of Iwaya Castle (岩屋城の戦い) was fought in the year 1586 when an army of the Shimazu clan put the castle of Iwaya, which belonged to the Takahashi clan who were vassals of the Ōtomo clan, under siege.After the defeat of the Ryūzōji clan at the Battle of Okitanawate in 1584, Shimazu Yoshihisa refocused his attentions on the Ōtomo clan and a campaign was started against their dominions.