DBWI-Diocltean focus on Britain instead of Rome

What will happen if Diocletean would consolidate his rule of Britain instead of focusing on becoming the emperor ofthe Roman epire.How would the year 1284 look like? You can post a text post,a map or edited picture to show your points.
 
Why 1284?

Any reason why you want people to jump ahead 1000 years?

Its like asking, hey, fellas, if the Constitutional Convention didn't work, what does the world look like in 2789?
 
Top