Siege of Küstrin
1758 CE.
Shown on the map at 52.587°, 14.650°.
The siege of Küstrin (Cüstrin) in 1758 was a siege of the Seven Years' War (1756-1763). It was conducted by the Russians against the fortified town of Küstrin in Prussia (now in Poland).
Text from the Wikipedia article Siege of Küstrin, licensed CC BY-SA 4.0.