Woah, the developments in Terra Ursus are one thing, but the vastly changed situation in the East are something else!
Okay, so there’s no Arab invasion until the 8th century and they don’t actually invade Anatolia (yet at least), meaning that compared to IOTL the Byzantines are actually better off! What exactly happened to Persia?
I’m deeply curious about these Ismailis as well...
Last but not least, how far did those alt-Bulgars get?