Emperor Kanmu possessed enough authority to allow him to relocate the capital twice, although he had not experienced such privileged circumstances until Emperor Konin's ascension.
桓武天皇は歴代天皇の中でも遷都を二回も行うほどの強権を誇ったが、光仁天皇即位まではあまり恵まれた境遇ではなかった。