Crisis of the Piast dynasty
| Crisis of the Piast dynasty (1028-1058) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Part of German–Polish War Polish-Russian Wars | |||||||||
Return of Casimir I the Restorer to Poland | |||||||||
| |||||||||
| Belligerents | |||||||||
| Kingdom of Poland |
Holy Roman Empire Kievan Rus Duchy of Bohemia Kingdom of Hungary Miecław's State Yotvingians Old Prussians | ||||||||
| Commanders and leaders | |||||||||
|
Mieszko II Lambert Casimir I the Restorer |
Conrad II Yaroslav the Wise Bretislav I Miecław † Stephen I of Hungary Otto Bolesławowic Harald Hardrada | ||||||||
| Casualties and losses | |||||||||
| Heavy | Unknown | ||||||||
.svg){kind=link}
The Crisis of the Piast dynasty was a period of constant wars, invasions and rebellions, lasting from the death of Bolesław the Brave in 1025 until the reunification of the Polish lands by Casimir the Restorer. During the crisis, Poland suffered very severe material and demographic losses, the Polish capital Gniezno was completely destroyed, Lusatia and Milsko were taken over by the Germans, Bełz by Kievan Rus, Principality of Nitra by Hungary and Moravia and initially Silesia by Bohemia. This period ended in 1058 after Casimir the Restorer unified the country, but the Polish state was greatly weakened.