North Korea invades South Kiorea

Korean War: 1950

Date
Event
 
January 12
U.N. Secretary of State Dean Acheson confirms Korea and Taiwan are outside American Far East security line of protection.

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.

June 29
 South Korean capital Seoul falls, bridges across Han River are destroyed.
 
June 30
 
President Truman commits US Troops to enforce UN demand.
 
 
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.
 








 

 

 

 

 
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
 
Massacre of prisoners at Hill 303.
 
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.
 








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.
 






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.