Whakaotihia te rerenga e whai ake nei: Ko te Pakanga Independence o Ukraine o 1917 ki 1921 i hua te Free Rohe o Ukraine, Ukrainian Soviet Socialist Republic (i roto i te 1919 i whakakotahi i te Ukrainian People Republic me te West Ukrainian People's Republic) i hohoro i whakaurua i roto i te Soviet Union. Ko Galicia,
Ko Bessarabia ki te Tonga, Northern Bukovina, me Carpathian Ruthenia i tapirihia hei hua o te Molotov-Ribbentrop Pact i te 1939 me te wikitoria a te Soviet i Tiamana i te Pakanga Tuarua o te Ao, 1939-1945.