u/Always_da_same_guy06

With more to come

1-kingdom of Italy 1861-1946

2-nazi germany 1933-1945

3-german empire 1871-1918

4-east germany 1949-1990

5-austria hungary 1867-1918

6-russian empire 1721-1917

7-USSR (Soviet Union) 1922-1991

8-jugoslavia 1918-1992/2003

9-south Vietnam 1935-1975

10-biafra 1967-1970

11-portoghese Guinea 1446-1974

12-rhodesia 1965-1979

13-german East african colonies 1885-1919

14-belgian Congo 1908-1960

15-zaire 1971-1997