The Korean War was a conflict that took place from 1950 to 1953 between North and South Korea, and their allies: When and where The war began on June 25, 1950 when North Korea's People's Army invaded South Korea across the 38th parallel. The war ended with an armistice on July 27, 1953. Who was involved The war was fought between the Democratic People's Republic of Korea (North Korea) and the Republic of Korea (South Korea). North Korea was supported by the People's Republic of China and the Soviet Union, while South Korea was supported by the United Nations Command (UNC) led by the United States. What happened The war resulted in millions of deaths, including: Three and a half million military dead, wounded, and missing on both sides More than two million civilians died in North Korea Over 100,000 casualties for the United Nations forces