Location Gniezno Poznan Poland Gniezno, Poznan, Poland 52.5167, 17.6167 1285 CE Capital Of Poland of the first Piasts, Kingdom of State Poland, Principality of State People Adalbert of Prague Boleslaus I the Cruel Boleslaus III Boleslaw I Chrobry Boleslaw II the Generous +32 more Groups Polytheism Prussians, Old, or Baltic (Western Balts) Jews Saxons Germans +29 more Topics Chalcedonian Christianity German–Polish War Arduin's Wars Gregorian Reforms Investiture Controversy +1 more Subjects Origins Technology Symbols Religion Law +7 more Commodities Weapons Domestic animals Money Locations Gniezno Poznan Poland Cite this entry Moran, J. (2017). Gniezno Poznan Poland. History Atlas. Retrieved 10 October 2026, from https://www.historyatlas.com/locations/gniezno-poznan-poland/ Related events Loading related events…