In 941, it fell in the Johei and Tengyo War (FUJIWARA no Sumitomo's War) in which Dazai gon no sochi TACHIBANA no Kimiyori fought against the attack of Fujiwara's troop.
941年（天慶4）承平天慶の乱（藤原純友の乱）で陥落し、大宰権帥の橘公頼が対抗する。