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North Korea Crosses Border
North Korean forces cross border with South Korea. North Korean People's Army numbers approximately 135,000 men Republic of Korea Army contains 98,000 soldiers. -
Period: to
Phase 1
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North Korea captures Seoul
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US Arrives in Korea
First U.S. ground combat troops, Task Force Smith, arrive in Korea. -
Inchon falls to the NKPA.
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Task Force Smith Engages
Task Force Smith engages and delays advancing NKPA forces at Osan in first U.S. ground action of the war. -
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21st Infantry stalls NKPA advances at Chochiwon
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Period: to
21st Infantry and 1st Cavarly Divisions begin movement
25th Infantry and 1st Cavalry Divisions begin movement to Korea from Japan; 29th Regimental combat team sails from Okinawa for Korea 2d Infantry division prepares to embark from Seattle. -
24th Infantry Division begins defense of Taejon.
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Taejon is captured by NKPA 24th Infantry 25th Infantry Division captures Yechon.
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5th Regimental Combat Team arrives in Korea from Hawaii
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Period: to
Second Battle of the Naktong Buldge
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U.S. X Corps
U.S. X Corps, with the 1st Marine Division, in the lead, conducts amphibious landing at Inchon. -
U.S. Eighth Army
U.S. Eighth Army begins its offensive northward out of the Pusan Perimeter. -
Period: to
Phase 2
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ROK I Corps captures the major port of Wonsan.