The siege of Lubusz was a siege part of the GermanâÂÂPolish War that took place from 19 to 20 August 1012. It involved the Duchy of Poland led by Bolesà Âaw I the Brave against the Holy Roman Empire led by Henry II. It resulted in a Polish victory.
The Germans stood on the other side of the Elbe, which had flooded from the west, making them unable to come to the aid of the besieged. Bolesà Âaw the Brave then conquered the city.
The town had a crew of up to 1,000 people. 500 Poles (according to Bishop Thietmar's chronicle, heavily exaggerated) died as a result of the siege, but many Germans died and the three crew commanders were captured.
There was a planned expedition against Germany that same year, although it never happened.
A year later, the ended. . Poland gained Lusatia and Milsko, after which Bolesà Âaw paid tribute to the king from the acquired lands. Both sides agreed to provide each other with armed assistance. Mieszko II, son of Bolesà Âaw the Brave, married Richeza, niece of King Henry II.