Complex sentence: Pages 9,20--55,92--95,258--260,300--306 Following the ethnic cleansing of the native population after May 1945 Stettin became a Polish city and Koepp's early schooling took place in Berlin.
Split into simpler sentences: Pages 9,20--55,92--95,258--260,300--306 following the ethnic cleansing. After May 1945 Stettin became a Polish city and Koepp's early schooling took place in Berlin.