Islamic historians didn’t get into the habit of discussing Roman or Byzantine emperors at any length, with the exception of Byzantine Emperor Heraclius (d. 641). And that makes sense, because Heraclius is actually a pretty important figure in early Islamic history. Without Heraclius, the world in which Muhammad began preaching might have looked considerably different than it actually looked.
This is just a placeholder. If you’d like to read the rest please check out my new home, Foreign Exchanges!