Having driven other clans completely out of power by the Anna no Hen Conspiracy in the tenth century, the Fujiwara clan reached its peak during the golden age of the rule by Sekkan, when FUJIWARA no Michinaga and his son FUJIWARA no Yorimichi held power.
そして10世紀の安和の変で藤原氏の他氏排斥が完了すると、藤原道長・藤原頼通父子の時代に藤原氏摂関政治の最盛期を迎える。