October 20, 1950 (China Joins War Pushing Back UN Forces)
With permission from Russia, North Korea invades South Korea and continues on to the capital of Seoul. South Korea does not have a strong enough army to stop it.
Feb. 1951 (Peace Talks Begins)
General Douglas MacArthur leads an invasion into South Korea at the city of Inchon. From there, the United Nations troops go to Seoul and take it back from North Korea.
April 1951 (MacArthur Fired for wanting to use A-Bomb)
China joins the war to fight on the side of North Korea. China's army, called the People's Volunteer Army, wins several important victories and pushes the U.S. and South Korean troops back across the 38th parallel.
July 7, 1953 (Truce Signed)
With neither side gaining ground, peace talks begin. However, it takes two years to come to an agreement as the war drags on.
After General MacArthur publicly disagrees with President Truman about whether or not to bomb China, MacArthur is fired. Truman believed that bombing China would have led to a much bigger war.
North Korea and South Korea sign an agreement to stop fighting. Korea is still divided, but the two countries agree to create a neutral zone called the Demilitarized Zone to separate the countries.