September 18, 2026

After the 1138 testament of Boleslaus III divided Poland into duchies for his sons, this Piast prince ruled the western duchy including Poznań for decades and was later buried in Kalisz. Which medieval Polish ruler is he?

A Leif Erikson
B Ragnar Axelsson
C Rollo Beck
D Mieszko III the Old

Mieszko III the Old (1122–1202), a son of Bolesław III Wrymouth, ruled Greater Poland from his seat at Poznań and briefly held the senior duchy at Kraków several times. He was buried in Kalisz Cathedral.

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