Battle of Berestechko
DocumentedJohn Casimir's victory over Cossack and Tatar forces in 1651 did not end the war that continued during the Deluge.

Imagined river crossing; troop positions are interpretive.
Potop / Archive
John Casimir's victory over Cossack and Tatar forces in 1651 did not end the war that continued during the Deluge.
Stefan Czarniecki’s troops defeated the rearguard of Arvid Wittenberg’s Swedish army. The action was an early instance of armed resistance in the 1655 campaign.
John II Casimir’s forces were defeated by the Swedes at Żarnów. The royal army continued its retreat after the battle.
In the autumn of 1655 Stefan Czarniecki defended Kraków for more than three weeks against the army of Charles X Gustav, then surrendered the city under a capitulation and led the garrison out under arms.
The Swedish army routed the Mazovian noble levy at Nowy Dwór. Another force raised to defend the Commonwealth failed to halt the invasion.
The Swedish army defeated Crown forces at Wojnicz. The defeat further weakened the position of Kraków’s defenders.
Krzysztof Żegocki attacked and defeated the Swedish garrison at Kościan. The action showed that resistance continued in Greater Poland despite earlier capitulations.
For nearly six weeks the defenders of Jasna Góra refused to admit a Swedish garrison. Meet the decision makers, explore the fortress and learn why its defence became the defining image of the Deluge.
Forces loyal to John Casimir under Wojniłłowicz defeated Swedish troops at Krosno. The victory was one of several local actions against Swedish units and garrisons.
Charles X Gustav defeated Stefan Czarniecki’s forces at Gołąb. Polish troops nevertheless continued operations against the Swedish army.
Paweł Jan Sapieha’s Lithuanian forces fought Bogusław Radziwiłł’s troops at Janów. The action formed part of the fighting in Lithuania alongside the Crown campaign.
Stefan Czarniecki defeated the vanguard of Charles X Gustav’s army at Jarosław. The engagement took place during manoeuvres in the south of the Commonwealth.
In April 1656 Stefan Czarniecki's army defeated, on the Pilica between Warka and Czersk, the corps of the Margrave of Baden, which was marching to the aid of Charles X Gustav.
Forces led by Stefan Czarniecki and Jerzy Sebastian Lubomirski fought the Swedes at Kłecko. The Polish Army Museum assesses the outcome as a Swedish victory.
From 28 to 30 July, Commonwealth troops fought a combined Swedish-Brandenburg army. The allies won the field battle, but the war continued.
Stefan Czarniecki’s forces won an engagement at Łowicz. Operations against Swedish forces continued after the July defeat near Warsaw.
Wincenty Gosiewski’s Polish, Lithuanian and Tatar force defeated Swedish-Brandenburg troops. The battle was fought in Ducal Prussia.
Swedish-Brandenburg forces defeated Wincenty Gosiewski’s corps at Filipów. The defeat came two weeks after his victory at Prostki.
Commonwealth and Swedish forces fought at Chojnice. Fighting in Prussia continued after the 1656 campaign.
Commonwealth forces fought the retreating Transylvanian army at Magierów. The campaign against George II Rákóczi was nearing its end.
After peace with Sweden, Commonwealth armies still fought Russia. At Połonka, Sapieha and Czarniecki defeated Russian forces.
Polish forces under Potocki and Lubomirski defeated a Russian army at Chudniv. War in the east continued despite peace with Sweden.
Royal troops lost to rebels supporting Jerzy Sebastian Lubomirski. This was a civil war after the fighting with Sweden had ended.