In 770, at the end of the Nara period, Emperor Shotoku passed away and Emperor Konin, a descendent of Emperor Tenchi, ascended the throne although he was already around 60 years old.
奈良末期の宝亀元年（770年）の称徳天皇が崩御し、天智天皇系の光仁天皇が60前後という高齢ながらに即位した。