Mieszko the Younger Mieszko the Younger Mieszko the Younger (also known as of Kalisz) () (between 1160 and 1165 – 2 August 1193) was a Duke of Kalisz since 1191 until his death. He was the second child (but fourth-born son) of Mieszko III the Old, Duke of Greater Poland and since 1173 High Duke of Poland, by his second wife Eudoxia, daughter of Grand Prince Iziaslav II of Kiev. We do not know when he was born. His older brother, Bolesław, was born in 1159, while his younger brother Władysław Laskonogi was alive in 1166 or 1167. Mieszko appeared for the first
Mieszko I of Poland Polish take-over. Possibly the Wolinians themselves called the Margrave and asked his help. In any event, Odo's forces moved in and on 24 June 972 twice engaged Mieszko's army at the village of "Cidini", commonly identified with Cedynia. At first, the Margrave defeated Mieszko's forces; subsequently the Duke's brother Czcibor defeated the Germans in the decisive stage, inflicting great losses among their troops. It may be that Mieszko intentionally staged the retreat, which was followed by a surprise attack on the flank of the German pursuing troops. After this battle, Mieszko and Odo were called to the Imperial Diet in