The United States committed ground forces to the Korean War on June 25, 1950, upon North Korea's invasion of South Korea the day before. The United Nations Security Council had condemned North Korea's invasion and approved the use of military force to repel the attack. Approximately 36,000 American troops were quickly deployed to the area. American forces engaged in heavy combat with North Korean troops, and by September, the North Koreans were pushed back north of the 38th parallel.
A few weeks later, U.S.-led U.N. troops crossed the parallel in pursuit of the North Koreans, and by October 20, South Korean and U.N. forces had captured the North Korean capital of Pyongyang. China's entry into the conflict on October 25, however, pushed U.N. forces back southward, and the Americans evacuated Seoul in December. The war seesawed back and forth for the next several months as both sides gained and lost ground.
Stalemate and Truce
By July 1951, the fighting had settled into a stalemate along the 38th parallel. Although both sides had suffered significant casualties, neither had been able to achieve its objectives. The Korean War ended on July 27, 1953, when the two sides signed a cease-fire agreement. The agreement established a demilitarized zone (DMZ) along the 38th parallel, which has remained the dividing line between the two countries ever since.
The Korean War was a costly conflict for the United States. More than 36,000 Americans were killed in combat, and another 103,000 were wounded. The war also had a significant economic impact on the United States, as well as on other countries involved in the conflict.
Legacy of the Korean War
The Korean War is often considered a precursor to the Vietnam War, and it had a profound effect on the United States and on the Cold War. It also led to the creation of the South Korea-United States alliance, which has been a key factor in maintaining stability in the region.