>>1661136From top to bottom:
Mieszko I of Poland. He united all the slav tribes in the area into one kingom. Also father of Sigrid the Haughty, a Nordic queen, and father of the Poland's first official king.
Boleslaw I the Brave, son of Mieszko I and the first king of Poland. Established the Christian see in Gniezno, granting Poland religious autonomy from the HRE.
Casmir III the Great, reformed the Polish army and doubled the size of the kingdom. Also founded the University of Kraków, the oldest Polish university.
Wladyslaw II Jagiello, the Grand Duke of Lithuania crowned as King of Poland giving birth to the new major regional power known as the Polish-Lithuanian Commonwealth.
Sigmund I, the Old, established Polish suzerainty over Ducal Prussia (East Prussia) and incorporated the duchy of Mazovia into the Polish state, securing the nation's wealth, culture and power.
It's good when your own currency teaches you a thing or two about your country's history.
