Korean War Timeline By Allison Alonzo Aug 29, 1910 Japanese occupies Korea Period: Nov 1, 1939 to Mar 1, 1940 " Chinese Winter Offensive" Aug 1, 1945 Korea is divided Sep 2, 1945 World War II ends Jun 25, 1950 The Begining Korean war begins/ North Korean troops attack south Korea. Period: Aug 1, 1950 to Sep 1, 1950 Battle of Pusan Perimeter Sep 30, 1950 the crossing of the border UN/ South Korean troops crossed the border into North Korea Oct 1, 1950 China enters the Korean War Nov 29, 1952 President Eisenhower visits Korea Jul 1, 1953 Battle in Inchon/ General MacArthur's Amphibious Landing Jul 27, 1953 Cease-fire Cease-fire is signed. Jul 27, 1953 The end Korean war is officially over.