The preventing ends with an armistice on 27 July 1953 as well as development of a demilitarised zone, separating The 2 Koreas. Up to a few million individuals are killed during the war.But the Sui Military was lured into a trap because of the famed Koguryŏ commander Ŭlchi Mundŏk, and endured a calamitous defeat at the Salsu (Ch'ŏngch'ŏn) River