Formable nations - Hearts of Iron 4 Wiki

Formable Nation mod for Hearts of Iron IV - ModDB

HOI4 Dev Diary - Yugoslavia and Romania

EU4 formable nations – a guide to creating new nations in Europa Universalis 4

Formable nations - Hearts of Iron 4 Wiki

Hearts of Iron IV - Dev Diary: Formable and Releaseable Nations - Steam News

Hearts of Iron IV - Wikipedia

I didn't read the formable nations wiki carefully enoughformed Austria Hungary but not really as fascist Hungary : r/hoi4

Formable nations - Hearts of Iron 4 Wiki

Dev Diaries - Equestria at War Wiki

Formable Nations, Old World Blues — HOI4 total conversion mod Wiki

Formable nations - Hearts of Iron 4 Wiki

Formable nations - Hearts of Iron 4 Wiki

HoI 4 Dev Diary - Formable Nations and Achievements