After the death of the 5th shogun Ashikaga Yoshikazu in 1425, the 4th shogun Ashikaga Yoshimochi would not decide a successor. After Yoshimochi's death in 1428, Yoshinori became Seii Taishogun the year after by pulling lots in front of Iwashimizu Shrine in Kyoto to solve the long undecided matter of succession.
Yoshinori strengthened the power of the shogunate after defeating Ashikaga Mochiuji in the Eikyo Rebellion of 1438.
Yoshinori was assassinated in 1441 by Akamatsu Mitsusuke in the Kakitsu Rebellion. He was succeded by his son, the 7th shogun Ashikaga Yoshikatsu, in the next year but the power of the shogunate fell into decline.
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Preceded by: Ashikaga Yoshikazu | Ashikaga shoguns |
Succeeded by: Ashikaga Yoshikatsu |