 For example, many ethnic Germans from the former Soviet Union have taken advantage of the German "Law of Return", a policy which grants citizenship to all those who can prove to be a refugee or expellee of German ethnic origin or the spouse or descendant of such a person.This exodus has occurred despite the fact that many of the ethnic Germans from the former Soviet Union were highly assimilated and spoke little or no German.According to the 1921 census, the German community was the largest minority group in the Kingdom of Yugoslavia (505,790 inhabitants or 4.22%).