Help with a Jacobite Rebellion TL

I've been wanting to write a TL about a successful Jacobite rebellion in 1745 for a while, and I've been looking for some feedback.

Basically, the premise is this: the French manage to successfully invade the British Isles in early '45, routing the British and placing Bonnie Prince Charlie on the British throne as Charles III. This ends up making a lot of people angry, and is widely regarded as a bad move. Apart from the frequent rebellions in 1750s, many dissedents end up moving to America. The American Revolution is much earlier (around 1753-1758), and results in a much more militaristic and centralised USA that eventually annexes Canada and Louisiana, causing tensions between Russia and Spain and a "Great Game" fought between the Americans and Russians for control of western Canada.

In Europe, France eventually becomes the supreme military and political power, prompting the formation of an anti-French bloc between Austria and Prussia. I'm unfortunately not so sure what happens here, but eventually, there would be a war fought between these two blocs, possibly over TTL's French Revolution. Any thoughts?
 
I saw a TL about that here earlier, unfortunately it was never finished. But I'd be interested if you did one.
 
That'll get messy for the Quebecois since I assume there'll be a strong anti-Catholic streak in the *USA.
 
Charles III wouldn't be on the throne initially. His father, James VIII/II would take the Crown and Charles would succeed on this demise.

As you've identified the only way for the '45 to succeed is for a French army to land on the south coast of England, probably containing several Jacobite regiments. Apparently many Tory country gentlemen were prepared to rise in the event of such an invasion - how widespread this uprising might be is a matter for speculation. The British government of the time was unpopular and there was fairly significant latent (if fluctuating) Jacobite sentiment among large sections of English society, but a French invasion might just be the thing that gets the country to rally behind the government.

Let's say though that the landing does take place, as does the English Jacobite uprising. Charles and his army get to Derby and hear that the French have landed in force and the Tories have risen in his favour. Hanoverian forces that are in the field are defeated or by-passed, George II flees to Hanover and Charles enters London in triumph, and proclaims his father King of England, Scotland and Ireland (did James claim to be King of France like all British monarchs to George III?), incidentally dissolving the Act of Union at the same time.

What happens next? Difficult to say. There are significant tensions between the High Church Tories who backed the Jacobites, and James and Charles, given the desire of the Stuarts to enact toleration of Catholics and Dissenters. The Jacobite coalition was a strange mixture of ultra-traditionalists and radicals who had fallen out with the Hanoverian government. Ironically this may mean that the new King attempts to bring some Whig elements into his government. Charles was rather more flexible than his father, as his later conversion to Anglicanism shows, but I'm not convinced that either has the nous, cunning or adaptability to survive in the long run.
 
That'll get messy for the Quebecois since I assume there'll be a strong anti-Catholic streak in the *USA.

There was a massive anti-Catholic streak in the USA in OTL. The Creols and acadians are still ther, and still mostly Catholic.
 
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