Northern Court

The in Japan was a set of six pretenders to the throne of Japan during the Nanboku-chō period from 1336 through 1392.
List of pretenders.
After 1392, Go-Komatsu was the 100th emperor of Japan, according to the traditional order of succession..
List of pretender-created eras.
During the Nanboku-chō period, the Northern Court pretenders recognized 19 Japanese era names (年号, "nengō", lit. year names), including