Ethnic Germans were transferred into Germany, mainly from eastern Europe; it has been estimated that approximately 600,000 persons had been transferr… - Eugene M. Kulischer

In the course of history the refugee was the first peaceful immigrant. In a social structure offering no place for a stranger, the unfortunate who had" taken the flight and so evaded death and black fate" at the hands of his enemies was sheltered under the sacred law of hospitality, since he came "as a fugative and a suppliant".

The modern age did not so much invent new forms of migration as alter drastically the means and conditions of the old forms.

The resettlement of populations scattered by war and by enemy occupation is one of the problems with which Europe will be most urgently faced when the occupied countries are set free. Since hostilities began, millions of people have left homes destroyed or threatened with destruction; millions more have been transplanted, deported, or expelled to make room for foreign newcomers who have taken over their property; millions of others again have been taken prisoner or individually recruited as workers and sent away from their countries to serve the occupying power.