-- NengoCalc 嘉吉一年六月二十四日 -->: Shogun Ashikaga Yoshinori is murdered at age 48 by Akamatsu Mitsusuke who was upset that Akamatsu Sadaura was made leader of the Akamatsu clan; and shortly thereafter, Yoshinori's 8-year-old son, Ashikaga Yoshikatsu, was proclaimed as the new Shogun.