Who: North Korea,South Korea,USA,United Nations, United Kingdom,china,Soviet Union.
What:war fought between North Korea, South Korea. It was a huge fight of the Cold War as Soviet Union supported North Korea. The countries are still separated today.
When:June 25 1950 to July 27 1953
Where North Korea and South Korea.
Why:North Korea attacked south. USA wanted to break it up.The war mainly started because the two leaders hated each other.
Summary:I never said this but technically the war never ended USA and South Korea never signed a peace sign to show that the war has ended.