History of Poland. 20th century. Although the German authorities spread the idea that the majority of the inhabitants of Upper Silesia were of German descent, they realized that Polish was the commonly used language and tried to avoid it by organizing German courses.
History of Poland. 20th century. Although the German authorities spread the idea that the majority of the inhabitants of Upper Silesia were of German descent, they realized that Polish was the commonly used language and tried to avoid it by organizing German courses.