1. From 1964 to 1975, the United States waged a devastating conflict in Vietnam, aiming to contain communism but losing over 58,000 soldiers in the process.

2. The Tet Offensive, a surprise attack by North Vietnamese forces in 1968, marked a turning point in public opinion against the war.

3. The My Lai Massacre, in which US soldiers killed over 500 unarmed civilians in 1968, revealed the atrocities that occurred during the war.

4. The Paris Peace Accords, signed in 1973, officially ended US involvement in the conflict, but fighting continued between North and South Vietnam until 1975.

5. The legacy of the Vietnam War is complex, with lasting effects on Vietnam, the US, and international relations.