Night time was heavily used.
Yes, part of the good times.
the Phalanx
They Went through harsh times.
The Vietnam war was a warm part of the cold war.
Over 7.8 million tons of ordnance were dropped during the Vietnam War. 3 times more than was dropped in all of WWII.
As far as I know, China once invaded Vietnam during Han Dynasty, the general that led the Chinese army was named Ma Yuan. In 1979 Chinese army also entered Vietnam.
Solomon's Temple
They were all such a daily routine thing during those times; simply "Anti-war protest".
Twice; once during the US Civil War (1861-1865), and once during the Vietnam War (1965-1970).
Perhaps no one is able to answer this question. The reason is that there is no historical record about the number of kings of the Hong Bang Dynasty, Vietnam's first dynasty.
Some Americans thought it was wrong to invade and fight in Vietnam and Saigon due to the humanitarian style of the times with the hippie movement and peace and love. Others were on a political stance where fighting was the right option due to the military threat of war.
Solomon's Temple