After the resurgence of new national states Greece, Serbia, Montenegro, Rumania and Bulgaria these states strived for the transfer of non-Slavonic, non-Greece and non-Rumanian people from their territory. New waves of transfers, voluntary and non-volunntary exchange of population followed after the Balkan Wars and after the First World War.
Continued in the post war era and following the dissolution of Yugoslavia in nineties of the 20-th century.