The Sambyeolcho was a military unit of the Goryeo dynasty while the Choe family held the reins of power as military dictators behind puppet kings. The Sambyeolcho was an army with a strong public character in combat with the police, and its conductor has also been assigned a national official such as Doryeong. As a soldier and a military officer, it was easier to move around than other soldiers. The Sambyeolcho rose in rebellion in 1270 to protest against the strong ambition of the government. After establishing its own government and fighting for three years against the government and the won, it was destroyed by the Korean-Mongolian alliance in 1273.

Sambyeolcho - Wikipedia