ENThe rupture of several centuries of state, cultural, national, economic, political, and civilizational continuity had its own specifics in the three distinct parts of the former East Prussia: the Klaipeda Region, the Kaliningrad Oblast, and Warmia and Masuria. As a result of the mass expulsion of the German population and the influx of new residents after 1945 (Lithuanians, Russians, and Poles), a new post-migration society emerged. Initially, these areas were united by a hostile attitude towards the German past of the region, an attitude that was gradually overcome over time.