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Battle of Kalisz
Part of the Great Northern War
Battle of Kalisz 1706.png
DateOctober 29, 1706
LocationKalisz, Poland
Result Allied Coalition Victory
Naval Ensign of Sweden.svg Swedish Empire
COA polish king Stanislas Leszczynski.svg Polish–Lithuanian Commonwealth
(supporters of king Stanisław Leszczyński)
 Electorate of Saxony
Flag of Russia.svg Tsardom of Russia
Blason Auguste II de Pologne (1670-1733).svg Polish–Lithuanian Commonwealth
(supporters of king Augustus II the Strong)
Commanders and leaders
Sweden Arvid Axel Mardefelt
COA polish king Stanislas Leszczynski.svg Józef Potocki
Blason Auguste II de Pologne (1670-1733).svg Augustus II the Strong
Adam Mikołaj Sieniawski
Russia Aleksandr Danilovich Menshikov

4,358 Swedes
9,000–10,000 Poles

About 14,000[1]

6,000 Saxons
20,000 Russians
10,000 Poles

At least 35,000[1]
Casualties and losses
700 killed
1,800 captured
764 killed and wounded

The Battle of Kalisz took place on October 29, 1706 in Kalisz, Polish-Lithuanian Commonwealth during the Great Northern War. It was a three hour fight which could have been prevented if Augustus II of Poland had informed the Swedes and Russians of certain matters. At the time, an alliance existed between the Poles, Saxons, and Russians. The battle was fought by Russian cavalry, led by commander Aleksandr Menshikov; against a smaller Swedish force headed by colonel Mardefelt. The Russians played a role of significance here because they needed to support their Saxon allies under Augustus.


Charles XII of Sweden's victory in the Battle of Fraustadt had forced August the Strong of the Electorate of Saxony to drop out of the Great Northern War and abdicate his claims to the Polish crown in the Treaty of Altranstädt.[2]

When he learned of the recently arranged treaty while on his travels with Menshikov, Augustus chose to keep the news from him. His decision was based on the Russians' support through generosity in expenses. They were prepared to fight for him and Augustus could not risk angering his ally with the recently learned information. His last attempt to mend the situation was also unsuccessful. He sent word to the waiting Swedish force begging them to retreat upon meeting, but Mardefelt, having been unaware of the treaty, interpreted the plea as a trick of battle. As a result of poor communication, and to Augustus' dismay, the Battle of Kalisz did occur.

At the time, king August of Poland, also the Electorate of Saxony, had in secret negotiated a peace treaty with the swedes. This because after five years of marching, war and burning, the swedes had attacked August where it hurt; his own electorate. Thus, the main Swedish army was at the time in Saxony.

August himself, however, was with the Russian commander Menshikov and the third Russian army, which numbered 20 000 Russians. These were sent by Tsar Peter after the previous two had been defeated and dispersed. August had not informed Menshikov of the peace treaty because of the large contributions from Russia, and tried to avoid a battle, as he knew that his deceit would anger the swedes.

August secretly sent a letter to the Swedish major general Arvid Axel Marderfelt who was in command of the small Swedish army stationed in western Poland. August declared that the peace was almost concluded, and that he hoped to be informed of this by the Swedish king, Charles XII, and that a battle would thus be avoided. Marderfelt had, however, not been informed of this (the couriers had most likely been killed by kossacks). Marderfelt thus concluded that the letter was yet another of Augusts' deceits and replied that he had not received any information of the peace and would stand his ground in the case of a battle. In reality, he was more concerned than he wished to admit.


To the number, the Swedish army was vastly outnumbered with only 4 000 infantry troops, if it had not been for the allied Polish and Lithuanian cavalry. Mardefelt did not wish to engage the much larger Russian army, but the commander of the Polish crown army, Józef Potocki, insisted on chasing the Russians out of the country. Mardefelt pointed out carefully that the poles had not been keen on fighting Russians or anyone at all during the war, but Potocki convinced him that this time they would fight to the last drop of blood.

When the battle commenced, the Swedish infantry lined up in the middle with the polish and Lithuanians on the sides, protecting the flank. When the Russians advanced, the poles immediately fled the battlefield and thus left the Swedish flank exposed. The Swedish infantry fought on, even though the outcome would be obvious.


The Swedish defeat was rendered moot when Charles XII exposed Augustus' ratification of the Altranstädt treaty, whereupon the latter gave in to obey by its terms and withdrew to Saxony by November.[2]

Also, although he had planned to originally renounce the Treaty of Altranstädt, Augustus went along with its terms. Finally 1,800 Swedish prisoners were returned.



  1. 1.0 1.1 Northern wars
  2. 2.0 2.1 Frost (2000), p.230


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