Jingo-keiun
28 August 770 (Jingo-keiun 4, 4th day of the 8th month): In the 5th year of Shōtoku's reign, the empress died; and she named Prince Shirakabe as her heir. The succession (senso) was received and soon after, Emperor Kōnin is said to have accepted the monarch's role and duties and powers (sokui). This was confirmed in ceremonies.