No
Like the US Civil War in the 1860s the Vietnam War in the 1960s divided America.
US Citizens facing the military draft.
The nation (country) of Vietnam didn't exist during the Vietnam War. Nor was any nation called "Vietnam" fighting the US. There was a country called North Vietnam that defeated the Republic of South Vietnam in 1975. The US was allied to the RVN (Republic of South Vietnam).
Since the mid 90's, Vietnam is a regular (Communist) country doing regular business with regular countries, including the US.
North Vietnam's prison for US POW's? Or South Vietnam prisons for communist POWs?
The US never invaded Vietnam.
The US was importing lots of things, like food and oil.
South Vietnam was considered an ally of the US.
It depends on the family and their beliefs and traditions. I know someone from Vietnam and they do not celebrate birthdays, but they say they know some people that do, just like us.
Like the US, the last time was the Vietnam War.
US Military personnel were in Vietnam from 1955 thru 1975.
See: Vietnam