Video: 'Korean War - PART 20, MacArthur is Fired, 6.25' (Chinese Spring Offensive at 4:41)

(Sunday, April 22, 1951, 5:00 p.m. Korea Standard Time; during the Korean War, part of the Cold War and the Korean conflict) — The Chinese spring offensive, a military operation conducted by the Chinese People’s Volunteer Army (PVA) aimed at permanently driving the United Nations Command (UN) forces off the Korean peninsula, began today near the 38th Parallel.

Mobilizing three field armies totaling 700,000 men for the operation, the Chinese command conducted their largest offensive operation since their Second Phase Offensive in November and December 1950.

Video: 'Reds Launch Spring Offensive (1951) Combat Bulletin No. 110'

The offensive’s first thrust fell upon US I Corps, which fiercely resisted in the Battle of the Imjin River and the Battle of Kapyong.