Gosannen War

Gosannen War
	Part of Clan disputes of the Heian period
Date	1083–1089 (disputed)
Location	Mutsu province, Tōhoku region, Japan
Result	Disputes settled; restored order
Belligerents
Forces of various branches of Kiyohara clan	Forces of Minamoto no Yoshiie; Governor of Mutsu province
Commanders and leaders
Kiyohara no Iehira; Kiyohara no Takahira; Others	Minamoto no Yoshiie; Fujiwara no Kiyohira

The Gosannen War (後三年合戦, gosannen kassen), also known as the Later Three-Year War, was fought in the late 1080s in Japan's Mutsu Province on the island of Honshū.^[1]

^ Varley, H. Paul. (1994). Warriors of Japan as Portrayed in the War Tales, pp. 40-45.

[1] Varley, H. Paul. (1994). Warriors of Japan as Portrayed in the War Tales, pp. 40-45.

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