No kings existed in either the US Civil War nor the Vietnam War.
King Menes!
Menes
The Vikings, as the northern earls (who were supposed to defeat them) were destroyed by Harald Haardrada's (the Viking King) army, forcing Harold's army to travel north and destroy them.
A King or Queen needs an army to defend their country, and protect their reign.
The NVA army.
United States Army North was created in 1943.
Harold hardrada was a Norwegian king who fancied being king of England. He invaded, and had some success in the north. In September 1066 the then king of England (Harold II) defeated him in the north. The king's army was much weakened by the battle, but had to rush back to southern England to face William of Normandy. William won the battle of Hastings and he became William I of England.
North .
NVA-North Viet Army ARVN-Army Republic South Vietnam During the Civil war, the South were the Confederates, and the North were the Union
King Ingvar and his army invaded what is now modern-day Estonia near Stein. However, the king and his army were quickly repelled by a large Estonian army. King Ingvar was killed in the battle.
King Alfred School in ploen is in North Germany and was started when the British Army needed a school for educating the children of service men after ww2. It is situated in the Schlzwick Holstien area of Germany
The Macedonian army (if you want to be specific, the Macedonian military under King Philip).