Add to Gaff's clarification the fact that "Britain" as a political territory has existed in some form since the Roman occupation though its topographical boundaries have not always been the same. Great Britain, as mentioned, was unified in 1707 and consolidated territories that comprised England, Scotland and Wales. …

I really like your final suggestion, especially since based on what Frank said in the episode previous, it doesn't sound AT ALL like that would be the "worst of all" scenario for him. And since *minor book spoiler* Claire doesn't come around (consciously) to the idea of Jamie as a romantic interest for a while yet,…