The war in Korea from 1950-1953 was an important turning point in the Cold War.
Useful links relating to the war
The Korean War – Waugh Essential Modern History
Korean War – Government of Australia
activehistory.co.uk – Korean War
http://korean-war.commemoration.gov.au/cold-war-crisis-in-korea/korean-war-strategic-map.php
The Korean War armistice – BBC
Cease Fire – How the UK’s Guardian newspaper reported the armistice in 1953