Minorities
| Hungaria | Czechoslovakia Yugoslavia [Romania] |
| Catalonians | Spain |
| Poles | Germany Latvia Lithuania [Romania] Czechoslovakia |
| Slovenes | Austria |
| Slovenes and Croatians | Italy |
| Russians | Estonia Latvia [Poland] |
| Carpathian Russians | Czechoslovakia |
| White Russians | Poland |
| Germans | Denmark [Estonia] Italy Hungary Yugoslavia [Romania] Poland Czechoslovakia Lithuania Latvia |
| Danes | Germany |
| Swedes | Estonia |
| Lithuanians | Poland |
| Czechs | Austria |
| Slovenes | Austria |
| [Serbs] of Lusace? | Germany |
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