I'm interested in seeing the long-term consequences of these events in a few centuries, with all the chaos and depopulation wrought over the years (as well as more exposure to continental plagues) could this lead to a rise in a Yeoman-like culture in places like Mutsu or even Ezo? Will the...
True, but I imagine there will be a desire to "outdo" the Chagatai and what better way than taking Constantinople? Granted the city has definitely seen better days at this point so it may be a moot factor.
It would be interesting to see what butterflies this has had on the Levant, if the Mongols become a big enough threat could we see a temporary Saracen Crusader Alliance? What are the chances of the Mongols taking Constantinople?
All it would take is a situation where the Great Khan decides his forces are needed elsewhere, even if the Kingdom of Japan persists I imagine partisans and rogue samurai will be a thorn in any occupation's side for many years yet.
Also, I do not believe the native KOJ forces are willing to be...
Is it possible that the Romans will discover the minerals in the Ore Mountains? I read somewhere that a partial contributor to the devaluation of currency by cutting the silver content of coins was because the Hispanian silver mines were more or less exhausted.
Technically they could just use the Persian gulf, or just go overland like Alexander did.
I don't see how installing client satraps using the previous bureaucracy with the position of shahanshah (likely filled nominally by the Augustus at the time) would change the heart of Rome too much...
Earlier incursions into Magna Graecia would certainly earn it the ire of Hellenic states much earlier. Maybe allied Gallic chiefdoms could be allowed to exist as allies/puppets to secure the northern border?