Did the US ever aggrandise itself in so farcical a fashion?
The US history of self -serving propaganda is infinitely worse. Woe unto any primary school student who declines to recite the
advertising sales pitch designed solely to sell more flags to school Pledge of Allegiance to the piece of starred and striped cloth. There is legal protection for declining to participate, but it's sort of like the legal protection to eat a hamburger in the middle of a vegetarian street rally.
Check the Congressional Record for more self praise for the country, for each state, and for each and every congress person who ever had a moment to make a speech.
A large percentage of government press releases (all governments worldwide) are just bragging about how great the government is doing.