Poland 
German ornithologistBirthdays by Profession
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- Singer (2)
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Birthdays by Region
- Greater Poland Voivodeship (7)
- Masovian Voivodeship (5)
- Pomeranian Voivodeship (5)
- Kuyavian-Pomeranian Voivodeship (3)
- Lower Silesian Voivodeship (3)
- Warmian-Masurian Voivodeship (2)
- 艁贸d藕 Voivodeship (2)
- Lublin Voivodeship (2)
- Lesser Poland Voivodeship (2)
- Silesian Voivodeship (2)
- Podkarpackie Voivodeship (1)
