Kammala jumla mai zuwa: Yakin 'Yanci na Ukraine na 1917 zuwa 1921 ya haifar da Yankin Yankin Yankin Ukraine, Jamhuriyar Socialist ta Soviet ta Ukraine (a cikin 1919 ta haɗu daga Jamhuriyar Jama'ar Ukraine da Jamhuriyar Jama'ar Yammacin Ukraine) wanda aka haɗa shi cikin Soviet Union. Galicia, da kuma
An kara da Kudancin Bessarabia, Arewacin Bukovina, da Carpathian Ruthenia sakamakon yarjejeniyar Molotov-Ribbentrop a 1939 da nasarar Soviet akan Jamus a Yaƙin Duniya na Biyu, 1939-45.