
Introduction The Battle of Ujście was fought on 24-25 July 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… Read More