January 21 – July 9, 1968 · South Vietnam Theater
January 21 – July 9, 1968
NVA forces besieged a US Marine base near the DMZ in the mountains near the Laotian border. Westmoreland, fearing another Dien Bien Phu, poured resources into holding it. As the world watched the siege, Giap launched the Tet Offensive against South Vietnam's cities — Khe Sanh had been the feint all along. The Marines held Khe Sanh, then abandoned it four months later.
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