The Battle Hostile_encounter of Lubrze was a night battle Hostile_encounter which took place Process_start during the Deluge ( part of the Second Northern War Military_operation ) in August 1656 between Polish forces under voivode of Kalisz Andrzej Karol Grudziński and a Swedish-Brandenburg force under Jan Wejhard von Wrzesowicz .

Swedish-Brandenburg forces were coming Motion to provide Supply relief Assistance to the besieged Besieging town of Kalisz , invested Expend_resource by Polish army under voivode of Malbork Jakub Wejher , brother of Ludwik Weyher .

It forced Causation the nominal possessor of Greater Poland , the Prussian-Brandenburg Elector , to reroute Motion a sizable Prussian division under Derflinger , also marching Self_motion towards Kalisz , to withdraw Escaping north to Toruń , after leaving commands at Poznań and Miedzyrzecz .

Devoid of any hope of the relief forces Causation the besieged Swedish garrison of Kalisz surrendered Surrendering to the Polish army on November 8 , 1656 .