1938 and a fifth of the size thereafter. Modern inhabitants During the Polish post-war census of December 1950, data about the pre-war places of residence of the inhabitants as of August 1939 was collected. In the case of children born between September 1939 and December 1950, their origin was reported based on the pre-war places of residence of their mothers. Thanks to this data it is possible to reconstruct the pre-war geographical origin of the post-war population. The same territory corresponding to 1939 Provinz Pommern east of the Oder-Neisse line (which became part of Poland in 1945) was inhabited as of December 1950 by: Over 90% of the 1950 population were newcomers to the region, with less than 10% residing in German Province of Pomerania already back in August 1939 (so-called autochthons, who had German citizenship before World War II and were granted Polish citizenship after 1945). The largest group among new inhabitants were Poles expelled from areas of Eastern Poland annexed by the Soviet Union. The second largest group were newcomers from pre-war Polish part of historical Pomerania. The third-largest group were Poles from pre-war Poznań Voivodeship of Poland. See also List of towns in Western Pomerania List of towns in Farther Pomerania References External links Administrative Subdivision of the Province of Pomerania in 1900/10 Provinces of Prussia History of Pomerania by period States and territories established in 1815 States and territories disestablished in 1945 1815 establishments in Prussia 1945 disestablishments in Germany Former eastern territories of Germany