Some one prepared this mighty show — Fourth of July

Some one prepared this mighty show 1
To which without a Ticket go
The nations and the Days-

Displayed before the simplest Door
That all may witness it and more,
The pomp of summer Days.
(F.1678/J.1644)
[1] show:: a parade in the National Day, 4th of July.
[3] nations:: people of the country. the Days:: the glorious days.
[4] simplest Door:: a street banner or memorial arch.

However, this fourth of July festival is carried through, in a much better way, I am told, wherever the New Englanders have a get-up of their own. They do the job in a more business-like way. . . . Then follow processions, public dinners, toasts—bad enough too; transparencies, illuminations, fire-works, ─ The Monthly Magazine of Literature, Sciences, and the Belles-Lettres (1826)