AHC Brittany becomes part of the United Kingdom

Besides possibly the Breton War of Succession, what other scenario would allow for Brittany to become part of the United Kingdom?
 
Finding a way for Arthur duke of Brittany to succeed his uncle Richard the Lionheart would bring them into personal union, but whether that would hold is questionable. In any case this may preclude the creation of a "United Kingdom", or at least one in its familiar form.
 
In the middle ages, that's rather easy. Just change some marriage, kill the odd heir and voila. The problem is to keep Brittany in the nited Kingdom. For that you'd either have to increase the continental holdings of England significantly so that the additional power base is large enough to hold, or yo'd have to destroy France as an entity, maybe having France balkanize like the HRE did and working as a buffer between Brittany and any larger power. In any case, changes are so profound that it's very unclear whether a United Kingdom emerges and what constituencies it would encompass. For example, assuming that England must be in it, it's rather likely IMHO that the much increased focus of England on its continental holdings weakens it enough for Scotland to remain independent.
 
In the middle ages, that's rather easy. Just change some marriage, kill the odd heir and voila. The problem is to keep Brittany in the nited Kingdom. For that you'd either have to increase the continental holdings of England significantly so that the additional power base is large enough to hold, or yo'd have to destroy France as an entity, maybe having France balkanize like the HRE did and working as a buffer between Brittany and any larger power. In any case, changes are so profound that it's very unclear whether a United Kingdom emerges and what constituencies it would encompass. For example, assuming that England must be in it, it's rather likely IMHO that the much increased focus of England on its continental holdings weakens it enough for Scotland to remain independent.

So we'd end up seeing a United Kingdom of England, Wales, and Brittany (possibly Normandy?) or at least an analogue to it?
 
Have Edward V continue to reign. He was engaged to Anne of Brittany. There you go, personal union between England and Brittany and an eventual integration.
 
Have Edward V continue to reign. He was engaged to Anne of Brittany. There you go, personal union between England and Brittany and an eventual integration.

Because, of course, it would never change hands again, never be taken by France, and never rebel. Can we at least pretend that those things are possible?

Just for discussion's sake?
 
Because, of course, it would never change hands again, never be taken by France, and never rebel. Can we at least pretend that those things are possible?

Just for discussion's sake?

Of course those can happen. Ignoring a war or rebellion, It depends on how the Duchy is governed and how the nobility are treated. The best way to integrate them would be to grant them estates in England. Keep them from rebelling because it would mean losing a large income. Besides that, the whole thing really depends on the French reaction.
 
Had Edward IV lived a bit longer and had Francis of Brittany approved the marriage of the prince of wales (future Edward V) and Anne - then union in some form is possible. The marriage had been under discussion for some time at Edward's otl death.
(This was part of a surviving Yorkist monarchy i began a few years ago and sadly never completed though hope to return to it soon)

However it would almost certainly mean England and France in conflict.
A lot depends on whether Charles VIII and Louis XII's Italian ambitions continue in the same way - in which case tolerating an English Brittany that was still a french vassal in order to concentrate on Italy might have kept Brittany English for a while.
A lot depends on how things work out. The Bretons were no more likely to approve of foreign English rule than they were at being absorbed into France.
Whilst Anne of Brittany lives then the Bretons are likely to remain relatively content if Edward V doesn't try to do more than enjoy the income from the Duchy.
After her death and depending on whether she produces heirs or not then it will continue to be a source of conflict between England and France (but the English did in otl manage to hold Calais until the 1550s and then only lost it because of Mary I's support for Spain's war with France)
 
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