I would tend to be more cynical and put it at right after the formation of the United States. Self-determinism seems to very much be a "Do as I say, not as I do

I would tend to be more cynical and put it at right after the formation of the United States. Self-determinism seems to very much be a "Do as I say, not as I do," sort of thing. Certainly that is another way to look at it. I can imagine that modern-day secessionists, like the CSA founders before them, would argue that it's the other guy who has changed.