Diem until '63. Thieu until the end.
President Richard M. Nixon
The latest president, at the time of South Vietnam's fall was President Nguyen Van Thieu.
President Johnson used the gulf of tonkin incident to further his goals in the vietnam conflict by creating a buzz and hysteria through the country about terrorism and anti forces.
ANSWER Ho Chi Minh was the president of North Vietnam during the Vietnam War his original name was Nguyen Tat. Diem was the president of South Vietnam. Diem was assassinated Nguyen Van Thien was the president of South Vietnam after him.
the conflict in North Vietnam
Ho Chi Mihn
The president of the USA for a major time of the Vietnam War was Lyndon Johnson.
Military
Diem until '63. Thieu until the end.
About 51000 Americans died in the Vietnam conflict.