Siege of Bautzen
1029 CE.
Shown on the map at 51.183°, 14.417°.
The siege of Bautzen (German: Belagerung von Bautzen; Polish: Oblężenie Budziszyna) was a siege of city of Bautzen, Kingdom of Poland that took place in 1029 during the German–Polish War between 1028 and 1031. Following the raid of Saxony organised by king of Poland, Mieszko II Lambert, Conrad II, the emperor of the Holy Roman Empire, had attacked Poland and organised the siege of the city. Despite heavy casualties, Polish forces managed to defeat the attackers, and Imperial forces had retreated.
Text from the Wikipedia article Siege of Bautzen, licensed CC BY-SA 4.0.