- June 1950 N. Korea crossed the 38th parallel, equipped by Soviets and trained by Chinese
- at first, S. Korea did poorly because of their weak military and N. Korea gained a lot of land
- However, when the US and UN entered the war, S. Korea was able to put up more of a fight
- Inchon Sept 15-28, 1950: UN offensive, mild resistance from N. Korea
- ceasefire in 1953