Hearts of Iron IV

Hearts of Iron IV

Führerreich [LEGACY]
SPESS 27 May, 2018 @ 5:10pm
Possible bug?
So, I was playing as Germany and Himmler took over the Rhineland, then sometime later I did the focus to demand a referendum or whatever for the fate of the Rhineland, but nothing happened. Is this a bug or is it impossible to diplo-annex the Rhineland?