Chronology

Historical Timeline

A chronological record of key events, turning points, and personal milestones from the Vietnam War era — from early conflict through the fall of Saigon.

1955

The Republic of Vietnam Is Established

Establishment of South Vietnam, the role of Ngô Đình Diệm, and the beginning of U.S. involvement in the region following the Geneva Accords.

1960

Formation of the National Liberation Front

Founding of the NLF (Việt Cộng) and its significance as an opposition force against the South Vietnamese government and its American backers.

1964

Gulf of Tonkin Resolution

Disputed naval incidents in the Gulf of Tonkin and how the U.S. Congress granted President Johnson broad authority to escalate American military involvement.

1965

First U.S. Combat Troops Land at Da Nang

The arrival of the first U.S. Marine battalions at Da Nang, marking a major escalation from an advisory role to direct combat operations.

1968

The Tết Offensive

Coordinated North Vietnamese and Viet Cong attacks on over 100 cities and outposts during the Lunar New Year, and its profound impact on American public opinion.

1969

Cu Chi Tunnel Operations — Mỹ Tòng Hàm

The period during which Mỹ Tòng Hàm and her unit were most active within the Cu Chi tunnel network. Her diaries from this period document daily life underground, tactical decisions, and the psychological toll of sustained resistance.

↗ Read the Mỹ Tòng Hàm Diaries

1973

Paris Peace Accords

Peace agreement signed by the U.S., South Vietnam, North Vietnam, and the Viet Cong — and why it did not bring a lasting end to the conflict.

1975

Fall of Saigon

The final North Vietnamese offensive, the evacuation of U.S. personnel, and the reunification of Vietnam under communist rule on April 30, 1975.