Battle of Nakło

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Battle of Nakło
Wojna Polsko-Niemiecka 1109.png
Campaigns of the 1109 Polish-German conflict
DateAugust 10, 1109
Result Polish victory
POL Przemysł II 1295 COA.svg Kingdom of Poland POL województwo zachodniopomorskie COA.svg Pomeranians
Commanders and leaders
Bolesław III Wrymouth
Casualties and losses
few 30.000

The Battle of Nakło (1109) was fought between the forces of the Kingdom of Poland and Pomeranian tribes at Nakło nad Notecią. The Polish troops were led by Duke Bolesław III Wrymouth.

In the summer of 1109 the Polish ruler Bolesław III organized an expedition into Pomerania in order to secure his northern boundary. The German king Henry V, incited by Bolesław's half-brother Zbigniew, was about to invade Poland and the Pomeranian raid was a strategic necessity for the upcoming struggle. According to Gallus Anonymus, the purpose of the expedition wasn't just the taking of the castle of Nakło, but forcing the Pomeranians into a decisive battle.[1] Gallus describes the battle in the first chapter of the third book of his chronicle. On 10 August 1109. Bolesław's force, which was besieging Naklo engaged the Pomeranian relief forces and defeated them. As a result, the city surrendered to him. Later Bolesław incorporated Pomerania into his realm.[2] In Gallus' chronicle, the defeat of the Pomeranians and their conversion to Christianity are presented as one of Bolesław's great achievements, comparable to the victory of King Otto I of Germany over the Hungarians at the 955 Battle of Lechfeld.

Bolesław shortly afterwards had to rush to the south where he met an Imperial army at the Battle of Głogów. He later sent Bishop Otto of Bamberg as a missionary to Christianize Pomerania. Duke Wartislaw I continued to struggle against Polish overlordship. In 1181 Wartislaw's son Duke Bogislaw I of Pomerania became a vassal of Emperor Frederick Barbarossa.


Coordinates: 53°8′30″N 17°36′0″E / 53.14167°N 17.60000°E / 53.14167; 17.60000