1044Kantoku gannen (寛徳元年): The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Chokyu 5, on the 24th day of the 11th month of 1044.
Events of the Kantoku era
1045 (Kantoku 2, 16th day of the 1st month): Emperor Go-Suzaku abdicated; and his eldest son receive the succession (senso) on the same day. Shortly thereafter, Emperor Go-Reizei formally accedes to the throne (sokui). The following year, the era name is changed to mark the beginning of Go-Reizei's reign.
1045 (Kantoku 2, 18th day in the 1st month): Go-Suzaku died at the age of 37.