I was a bit busy yesterday evening, so I forgot to mention two things in the above post:
First: Take a look from 2:00 in the video I posted, to see some very relieved guardsmen finally having the chance to move their hands/legs after standing on parade along the procession-route inside the Royal Palace for about 30 min.
Second: The dinner was introduced early in the reign of King Haakon VII, but unsure of the exact year.
BTW: Here's another video (with better quality) where one can see all the diplomats plus wives/husbands, some ministers, courtiers and the royals (152 people in total) processing into The Banqueting Hall (
link).
Hmm, was there anything more, yes: Nobody are doing white-tie gala-dinners like The NRF. I mean, while the guests/royals in The UK, DK and Sweden are processing through some vestibules, here we have a Music Hall, two beautiful Ballrooms plus two Banqueting Halls to walk through, and that despite The Royal Palace being much smaller than that in Stockholm.
So, if you haven't done it already, check out these rooms here (
link).