Battle of Ujście
| Battle of Ujście | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Part of the Northern War of 1655–1660 / The Deluge | |||||||||
Battle of Ujście by Erik Dahlberg, 1655 | |||||||||
| |||||||||
| Belligerents | |||||||||
| Swedish Empire | Polish–Lithuanian Commonwealth | ||||||||
| Commanders and leaders | |||||||||
| Arvid Wittenberg |
Krzysztof Opaliński Andrzej Grudziński | ||||||||
| Strength | |||||||||
|
7,500 (infantry) 6,150 (cavalry) 72 cannon | 14,400 (13,000 pospolite ruszenie and 1,400 infantry) | ||||||||
The Battle of Ujście was fought on July 24–25, 1655 between forces of the Polish–Lithuanian Commonwealth commanded by Krzysztof Opaliński and Andrzej Grudziński on one side, and on the other Swedish forces commanded by Arvid Wittenberg. Krzysztof Opaliński and Bogusław Leszczyński, dissatisfied with policies of King John II Casimir of Poland, decided to become Swedish allies together with the pospolite ruszenie (Levée en masse) of Greater Poland to Charles X Gustav of Sweden.