Korean War Timeline By blakebryan Jan 1, 1945 Korea is devided into two counties Korea Split Jun 1, 1949 Last U.S. troops leave South Korea Troops leave Period: Jun 1, 1950 to Jul 31, 1950 U.S. launches a Counter attack on N. Korea U.S. counter attack Jun 25, 1950 North Korea Captures Seoul North Korea gains Seoul Sep 1, 1950 U.N. troops capture Seoul Capture of Seoul Oct 7, 1950 U.N. troops cross the 38th Parallel 38th parallel Nov 1, 1950 MacAurthur Leads Offensive charge on Yulu Mac's Charge Nov 25, 1950 Chinese troops cross the Yulu River China's charge Apr 11, 1951 Truman dismisses MacArthur Dissmisal Jul 27, 1953 Armistice ends the Korean War Armistice