In 1948, the republic of Korea, usually called South Korea, was established in the zone that had been occupied by the united states.
Northe Korea forces swept across the 38th parallel in a surprise attack on South Korea.
His troops made a surprise amphibious landing behind enemy lines at lnchon, on korea's west coast.
UN troops under MacArthur land at lnchon and move north from Psan, this two- pronged attack drives the north koreans out of south korea, take pyongyang, and advance to the Yalu River.
The chinese Intervene and force UN troops to retreat across the 38th Parallel.
The two sides signed an armistice ending the war.