Migrations of the Modern Period into Germany

From the end of the 19th century until now there took place some migration waves into the area of Germany (Deutschland). Most of them were caused by economical plights, but one was a result by the second world war. The latter one was the greatest movement of a population in such a short time during history. The states in the center of Europe changed their frontiers and populations in a huge dimension. The presentation gives an overview about this development, which has an effect until today.