Really?
No. Hanover was an electorate in personal union with the Kingdom of Great Britain, but that's not the same thing.
Really?
Conceivably, Denmark could've been an elector through Holstein.No. Hanover was an electorate in personal union with the Kingdom of Great Britain, but that's not the same thing.
Conceivably, Denmark could've been an elector through Holstein.
There was no written rule saying this, ever; and indeed the French and English kings both mounted serious imperial candidacies at the time of the election that crowned Charles V.
Of course, electors may have had a bias in favor of imperial rulers, but that's represented by the "within the HRE" bonus electors get in their decision to vote.
Since emperors don't need to be part of the HRE in the game (whereas they do need to be in the HRE IRL).