Day: January 6, 2026

There are several ways to answer this question, depending on how one interprets the terms “lose” and “war.” All of the arguments have merit, and readers may choose which one seems most persuasive to them.

The conventional view remains that the United States lost the Vietnam War because our opponent, North Vietnam, conquered the side we backed, South Vietnam, which surrendered in April 1975. Although the North Vietnamese and Viet Cong sustained enormous casualties — upward of a million killed by wounds, disease and malnutrition — the communists eventually prevailed.