The Korean War took place within the period of 25th June, 1950 and 27th July, 1953. The battling parties included North Korea, with Chinese assistance about halfway through, and South Korea along with the United Nations. The subject of the battle was communism. Over 3 million lives were lost. However, the war prevented communism to enter the boundaries of South Korea. It marked the beginning of the infamous Cold War. It is often referred to as "The Forgotten War", because of its occurrence which was just after World War 2, and just prior to the Vietnam War. Interesting fact is that there was a first major use of jet powered aircraft in Korean War.