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|Battle of Karksi|
|Part of the Polish–Swedish War (1600–1611)|
|Commanders and leaders|
|Jürgen von Farensbach||Carl Gyllenhielm|
|Casualties and losses|
|Very light||750 killed|
Polish–Lithuanian Commonwealth forces under the command of Jürgen von Farensbach defeated the Swedish forces commanded by Carl Gyllenhielm. Before the battle, Pärnu was besieged on 17 September and after heavy bombardment it surrendered on 17 October. Then the Swedish army moved for Fellin (Viljandi), shielded from the south by a force of 1,500. On the night of 29/30 October the shielding force was caught and destroyed near Karkus by Farensbach, voivode of Wenden, with 1,200 horses.
- (in Polish) Stanisław Herbst Wojna inflancka 1600-1602, Inforteditions, Zabrze 2006, ISBN 83-89943-14-X
- Swedish wars 1600-1609: 1601 Spring Summer Campaign, Polish Renaissance Warfare.