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Japanese Occupation of Korea Begins
Japan formally annexes Korea as a colony. Japanese investments begin to flow into the new colony, turning it into a source of industrial and agricultural wealth for Japan. -
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Chinese Winter Offensive
Chinese objective in the offensive was to take the initiative by conducting multiple front attacks to tie down the Japanese forces. They intended to use their position of exterior lines to advantage to prevent the Japanese launching new local offensives or shifting their forces to concentrate for a large offensive. -
World War II Ends
V-J Day; The Japanese sign surrender documents. -
Korea is Divided at the 38th Parallel by the United States and Soviet Union
Soviet forces complete their occupation of northern Korea, halting their southward advance through the country exactly at the 38th parallel, as agreed at the Potsdam Conference. The Soviets will wait patently for several weeks as the Americans hastily organize their own occupation of southern Korea. -
Korean War Begins/ North Korean Troops Attack South Korea
Communist North Korean troops launch a full-scale invasion of the South, beginning the open military phase of the Korean War. North Korean tanks and infantry surge across the 38th parallel into South Korean territory, quickly overrunning the defensive positions of overmatched South Korean forces. The Communists continue their southward advance, meeting little resistance in the countryside. -
Battle of Pusan Perimeter
American and South Korean forces end more than a month of retreat by establishing, finally, a stable defensive line outside the city of Pusan, at the far southeastern tip of the peninsula. The shattered remnants of the South Korean army and the entire American force in Korea crowd into the tiny area behind the so-called Pusan Perimeter; the entire rest of the country, more than 90% of Korea's land area, is now under Communist control. Over the next six weeks, North Korean forces will launch a se -
Battle in Inchon/ General MacArthur's Amphibious Landing
General MacArthur orchestrates one of the great tactical victories in American military history, a massive amphibious landing of thousands of soldiers and Marines at Inchon, a city located along Korea's west coast not far from Seoul, hundreds of miles behind enemy lines. MacArthur's audacious Inchon Landing catches the North Koreans completely by surprise, allowing the Americans to cut vital lines of supply to the Communist troops farther south at Pusan, forcing them into a desperate retreat bac -
UN/South Korean Troops Cross the Border into North Korea
President Truman authorizes General MacArthur to order his forces to pursue the retreating North Koreans across the 38th parallel, into North Korean territory. This decision marks a fundamental enlargement in American war arms, now expanded from merely rescuing South Korea to rolling back the Communist regime in North Korea. Truman's orders direct MacArthur to keep pushing northward as long as he does not encounter Soviet or Chinese opposition and he remains confident of victory. -
China Enters the Korean War
Chinese leader Mao Zedong, fearful of the consequences of hostile American forces taking up positions along his country's border at the Yalu River, orders hundreds of thousands of Chinese soldiers into battle in Korea. The massive Chinese intervention into the Korean conflict catches American military leaders completely off guard, leading to a series of crushing defeats. American prospects in the Korean War deteriorate rapidly, as hopes of imminent victory give way to a desperate struggle to avo -
President Eisenhower Visits Korea, Fulfilling His Campaign Promise
Acting on a campaign pledge, President-elect Dwight D. Eisenhower went to Korea on December 2, 1952. After visiting the troops, their commanders and South Korean leaders, and receiving briefings on the military situation in Korea, Eisenhower concluded, "we could not stand forever on a static front and continue to accept casualties without any visible results. Small attacks on small hills would not end this war." -
Cease-Fire is Signed
fter nearly two years of negotiations, diplomats from the United States, North Korea, and China reach agreement on an armistice to end the "UN peace action" in Korea without a formal peace treaty. Both sides claim victory; Korea remains divided at the 38th parallel. -
Korean War is Officially Over
At a high-level conference in Geneva, representatives from the United States and China fail to resolve the Korean issue. The armed stalemate at the 38th parallel will continue indefinitely.
