I was thinking the same thing, but not the Romans, rather the egyptians would be the oldest civilizations still there. I mean this measuring stick is basically

I was thinking the same thing, but not the Romans, rather the egyptians would be the oldest civilizations still there. I mean this measuring stick is basically determining if an area has been continuously civilized. Chinese civilizations have gone through many changes, including being overrun by Mongols and having their entire government replaced by mongo officials. Just like the Egyptians have been overrun by Nubians from Sudan.