In a way - Great Britain should be PRETANI (Painted People) at its earliest.
Anyway take a good look at this very informative and revealing clip.
https://www.youtube.com/watch?v=aXAjMlTO7Dc
Then you have the 50 States of USA. Gotta be the most mentally laziest stupid group of national names! Most are just really called 'Big River, Old River, Up River', etc. Worth the watch though, seeing how some States got it wrong. California is a 'Moslem' State (Caliphate

https://www.youtube.com/watch?v=0RzEZYsFOpc