Choe Chung-heon

…disorder, one of the generals, Choe Chung-heon, was able to establish a military regime of his own that lasted from 1197 to 1258. The Choe family, however, was content to rule behind the scenes, and it never actually usurped the throne. Hence, the dynasty continued to exist.

Choe Chung-Heon won the struggle for hegemony that erupted among the leaders and established a military regime of his own that lasted roughly 60 years.