@MonteCristo@LyxPar The most grand example is that of Constantinople-Istanbul. It was the greatest city of Hellenic culture for pretty much the entirety of time, so much to the point that the rest of (now modern-day Greece) was underdeveloped. Until the aftermath of WW1 it was still largely Greek.
@columbinakartta@infodexx Absolutely not everyone who learns French at school can speak it even decently. If saw, 90% would be able to speak Schweizerdeutsch which is not true