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Germanization of Silesia, Pomerania, Prussia, Neumark: migration or ethnic conversion

Tomenable

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Let's start with Silesia:

According to Polish historian Karol Maleczynski Silesia had about 250,000 inhabitants in year 1000 and this number increased to 330,000 by year 1150, before the influx of German settlers started. In 1241 Mongol army ravaged Silesia causing a considerable loss of life among the population, and especially after that event a large influx of German settlers to Silesia took place. By year 1350 the population of Silesia increased to 490,000 including 360,000 in Lower Silesia and 130,000 in Upper Silesia accordng to Józef Kokot. According to Karol Maleczynski around 150,000 German settlers had arrived to Silesia prior to 1350. So Germans were probably at least 30% of Silesia's population in 1350. By around 1820 the percentage of Germans in Prussian Silesia increased to at least 70% (according to Stanisław Plater) including 85% in Lower Silesia and 28% in Upper Silesia (see the map). In Austrian Cieszyn Silesia in 1800 Germans were 8% (Poles 73%, Czechs 19% and Jews less than 1% according to Alicja Pylypenko-Czepczor). In Troppau Silesia Germans were over 80% in 1880 (according to the census).

As can be seen there was a significant increase of the percentage of Germans during 500 years. From 30% to roughly 70%.

My question is whether that was a gradual process with roughly the same pace during the entire 500 years long period (so on average 0.08% increase per year), or were there periods of time when Germanization was making faster than average progress (for example maybe after the Prussian takeover of 1740)? And were there other waves of German immigration to Silesia after 1350, or can the entire progress of Germanization between 1350 and 1850 be attributed to ethnic conversion of the local Slavic population to German language and culture? Also it can be noted that apparently some German historians disagree with those estimates which say that Germans were only 30% of Silesian population in 1350 - Arno Lubos claims that in 1315 Lower Silesia had 430,000 inhabitants including 300,000 Germans (70%). But Arno's book is not about demography but about literature.*

*Arno Lubos, "Geschichte der Literatur Schlesiens: Bd. I, T. 1, Von den Anfängen bis ca. 1800" (1995), page 24.

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Now when it comes to Pomerania (what Germans call Pommern and Poles Pomorze Zachodnie, West Pomerania):

According to this book:


"In 1300 West Pomerania was inhabited by 240-300,000 people, among whom around 60,000 were Germans [so 25% or 20%]. In towns German were around 50% of all inhabitants while in the countryside their percentage was around 10-11%."

And during the next 500 years this percentage of Germans increased to 90% in the early 1800s (see the map).
This would indicate an average pace of Germanization during 500 years as around 0.13% or 0.14% per year.

Any alternative estimates for the year 1300 population? Maybe from German sources?
 
About East Prussia we have these two excellent websites:


 
For example I found this map, but I'm not sure how accurate it is:


XKqH9AT.jpeg
 
Something about post-1740 German immigration to Silesia (from the German Wikipedia article Kolonistenhaus, translated):

"(...) After the population losses caused by the Seven Years' War, Prussia needed to be strengthened. Around 1740, there were approximately 992.000 people living in Silesia, and by 1770, the population had grown to 1.327.000. The recruited ‘colonists’ built simple colonist houses in these colonies using the regional building materials available. The colonists were mainly Bohemian-Moravian and Salzburg exiles, Dutch, Saxons, Hessians, Rhinelanders and Huguenots. By 1806, 25.000 farms and around 400 new villages had been established. (...)"

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As for population size of Silesia, I also have these figures:

In 1577:

Lower Silesia - 930.000
Upper Silesia - 322.000

In 1618:

Lower Silesia - 1.080.000
Upper Silesia - 486.000

And after the Thirty Years' War the population declined from 1.5 million to 1 million (more in Lower Silesia than in Upper Silesia).
 
Last edited:
Some excerpts from Jan Piskorski's book "Kolonizacja wiejska Pomorza Zachodniego", translated to English:

Page 34:

"Walter Kuhn proved that from Gemany Proper (Altdeutschland), which in the 12th century numbered 10-12 million inhabitants, emigrated each year about 2,000 - 2,500 settlers, and during a century around 200 to 250 thousands.* (...)"

*Kuhn, "Siedlerzahlen", p. 229.

Pages 211-212:

"In the 12th and 13th centuries, according to W. Kuhn's highly probable calculations, approximately 400,000-500,000 colonists emigrated from Germany, i.e. approximately 2,000-2,500 per year. They constituted only 4% of the total German population, which at that time numbered 10-12 million, and spread over a vast area from the Elbe to Prussia and Livonia in the north and Transylvania and Slovenia in the south. It was therefore not a phenomenon of such demographic significance as had been assumed. Nevertheless, the number of Germans in the areas east of the Elbe grew rapidly, firstly due to the high birth rate characteristic of colonist groups (they can double in number within a quarter of a century), and secondly as a result of ongoing Germanisation processes. This growth was so rapid that it was no longer Germany Proper (Altdeutschland), but successive generations of colonists moving from place to place in stages, who provided the lion's share of the human “material” for the colonisation of areas further to the east and south-east. Silesia gained particular importance in this process, acting as a transmission belt between southern Elbe, Moravia and Hungary, Lesser Poland and Ruthenia, and finally Greater Poland and Prussia. It should be noted, however, that this growing mobility of new generations of settlers was by no means specific to medieval colonisation. Farmers in the western United States were also much more mobile than those who remained in the east. Knowing that land was plentiful, they found it easier to break away from a specific place and move further west (...) establishing new farms and towns."

Pages 212-213:

"In Silesia in the 14th century Germans were 1/5 of the population according to S. Trawkowski and between 1/4 and 1/3 according to R. Marciniak. The population of Prussia which in the 13th century was around 120,000 increased until year 1400 by around 100%. In this population Germans were already around half. (...) In West Pomerania according to E. Keyser Germans were at the beginning of the 14th century already half of the population, however he based his estimate on the situation observed in towns of only Vorpommern, where the process of Germanization was the most rapid. According to W. Dziewulski West Pomerania was inhabited in the 14th century by 60,000 Germans while the total population was between 240,000 and 300,000.** Recently R. Benl came up with an opinion that (...) in the early 14th century Slavs were already very rare among the population of West Pomerania. This opinion by R. Benl is not only contradicted by sources but also by common sense. Around Köslin Slavs must have been still numerous even in the 16th century, considering that in 1516 the city council prohibited the usage of Slavic language in the marketplace. (...) R. Benl commited a cardinal error by equating colonization with Germanization. While in fact these were to a large extent independent processes, of which the first one was relatively short (in West Pomerania until the middle of the 14th century), while the second one lasted for several centuries."

**Dziewulski, "Kolonizacja niemiecka na Pomorzu Zachodnim" (see pages 35-37):

 
I made a G25 average using Early Medieval samples from Niemcza and Milicz:

Code:
Early_Medieval_Silesia_N14,0.1252866,0.1249101,0.0676123,0.0581169,0.042821,0.0260564,0.0083428,0.0104996,-0.0056536,-0.0160888,-0.0022734,-0.0066261,0.0095885,0.0205747,-0.010402,-0.0013069,0.0033527,0.0010044,0.00123,0.0029389,-0.0023352,0.0006888,0.0053086,-0.0048888,0.0017449
 
I seem to see common points with the Spanish and Portuguese colonization in Latin America, where populations with little or no European genetic contribution adopted the language and customs of the Iberians.
And I also seem to remember that you published a long time ago a testimony from 19th-century Polish travelers, who reported that on the island of Rügen, in what is now German territory, a group of German fishermen spoke to each other in a Slavic dialect that they understood quite well.
 
It seems to me it isn't so simple as for the Spanish colonies. In Poland there is question of dialectal zones which reflect some West-East links with Germany and not the adoption of some roughly standardized language by a vertical foreign power.
 
I made K36 models where I used Early Medieval samples from Niemcza and Milicz as "Silesia_Early_Medieval" and Medieval samples from Lesser Poland (from Gródek near Hrubieszów dated to the 11th century, from Końskie and Sandomierz) as "Medieval_Malopolska". For German immigrants, I used "Niedersachsen:East-Frisia" and "Baden-Wurttemberg", and for Wallachian immigrants, I used "Albania_Medieval".

The results for some contemporary populations are as follows:

Target: Europe_PL_Lower-Silesia_Germans
Distance: 7.39634642
64.6 Europe_PL_Silesia_Early_Medieval
26.4 Europe_DE_Niedersachsen
6.0 Europe_AL_Albania_Medieval
3.0 Europe_DE_Baden-Wurttemberg

Target: Europe_PL_Upper-Silesia_Poles
Distance: 4.39239761
86.6 Europe_PL_Silesia_Early_Medieval
13.4 Europe_DE_Baden-Wurttemberg
0.0 Europe_AL_Albania_Medieval
0.0 Europe_DE_Niedersachsen

Target: Europe_PL_Malopolskie_Poles
Distance: 3.03671554
79.4 Medieval_Malopolska
20.6 Europe_DE_Baden-Wurttemberg
0.0 Europe_AL_Albania:Medieval
0.0 Europe_DE_Niedersachsen

Target: Europe_PL_Podkarpackie_Poles
Distance: 2.11800374
76.2 Medieval_Malopolska
19.2 Europe_DE_Baden-Wurttemberg
4.6 Europe_DE_Niedersachsen
0.0 Europe_AL_Albania_Medieval

Target: Europe_PL_Podkarpackie_Lemkos
Distance: 7.40252056
66.8 Medieval_Malopolska
19.8 Europe_AL_Albania_Medieval
13.4 Europe_DE_Baden-Wurttemberg
0.0 Europe_DE_Niedersachsen

And finally, samples from Gródek near Hrubieszów from the tribal era (average dating approx. 790 AD):

Target: Grodek_Tribal
Distance: 4.94431421
79.8 Medieval_Malopolska
14.6 Europe_AL_Albania_Medieval
5.6 Europe_DE_Baden-Wurttemberg
0.0 Europe_DE_Niedersachsen

So Balkan admixture present today among the Lemkos was already present in this region in tribal times.
 
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