Sort of, but it is more like echoes. In the first and possibly most well known case the previously Prussian areas of Poland had all of the ethnic Germans forci

Sort of, but it is more like echoes. In the first and possibly most well known case the previously Prussian areas of Poland had all of the ethnic Germans forcibly removed. Because of this abrupt and extreme change there must be something else going on since the culture and values in fact changed quite suddenly and yet differentiation endures.