Date | Event |
January 12 | U.N. Secretary of State Dean Acheson confirms Korea and Taiwan are outside American Far East security line of protection.
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June 25 | North Korea invades South Korea with 135,000 troops. United Nations demands that North Korea stop its invasion. |
June 27 | U.N. calls for a cease-fire and asks U.N. members to join in to assist South Korea. President Truman deploys the 7th Fleet to prevent the conflict in Korea spreading beyond its border.
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June 29 | South Korean capital Seoul falls, bridges across Han River are destroyed. |
June 30 | President Truman commits US Troops to enforce UN demand. |
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July 1 | First U.S. infantry unit arrives in Korea. |
July 5 | U.S. Army nurses arrive in Pusan, Korea. |
July 8 | General Douglas MacArthur named commander of unified United Nations forces. |
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August 4— September 16 | U.S. troops participate in the defense of the Pusan Perimeter. Initially U.S. and Republic of Korea troops fall back but anchor a line in the west along the Naktong River. |
August 17 | |
August 27— September 15 | Continuous fighting around Pusan Perimeter. |
September 15 | Inchon operation carried out. |
September 16—19 | U.N. breaks the Pusan Perimeter zone. |
September 27 | MacArthur given permission to cross the 38th Parallel into North Korea. |
October 15 | Truman and MacArthur meet on Wake Island. |
October 25 | Chinese Communist Forces (CCF) enter the war. |
November 4 | MacArthur intensifies bombing of communications routes to the Yalu. |
November 21 | U.S. 17th Regiment reaches the Yalu River. |
November 25 | U.N. offensive begins from the Chongchon river to end the war by Christmas. |
November 26—30 | U.S. 2nd and 25th Divisions are defeated and begin general Eighth Army retreat in the west. |
November 27—30 | Chinese Communist forces attack 1st Marine Division and 7th Infantry Division at the Chosin Reservoir. |
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Troops at Chosin |
November 30 | President Truman threatens use of atomic bomb. |
November 30— December 11 | 1st Marine Division fights through encircling Chinese Communist forces to reach U.S. 3rd Infantry Division lines. |
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Tankline |
December 11 | U.N. naval forces begin evacuation at Hungnam. |
December 14 | U.N. passes a cease fire resolution. |
December 24 | Hungnam operation is complete as U.S. Navy evacuates 105,000 U.S. and Republic of Korea troops. |