Separated::
PRC & ROC (China),
ROK & DPK (Korea)
Serbia & Croatia & Slovenia & Bosnia-Hezegovinia, Montenefro, Macedonia, Kosovo (Yougoslavia)
Czech & Slovakia (Czechoslovakia)
Indonesia & East Timor (Indonesia)
Ethiopia & Eritrea (Ethiopia)
Sudan & South Sudan (Sudan)
Separating:
Scotland (UK), Basque (Spain), Lombardi-Piermonte (Italy), Kurdstan (Turkey. Iraq), Ciscaucasia (Russia), Asam (India), Shan (Burma), Aceh, Papua(Indonesia), Mololand(Philipean), West Sahara(Morocco), Quebec(Canada),
Unified in past 30 years:
only Germany |