Siege of Dorpat
1656 CE.
Shown on the map at 58.380°, 26.723°.
The siege of Dorpat (Swedish: Belägringen av Drept), also known in Russian historiography as the German campaign of Trubetskoy (Russian: Немецкий поход Трубецкого), was a siege of the Swedish castle Dorpat by Russian troops that took place from August to October 1656.
Text from the Wikipedia article Siege of Dorpat (1656), licensed CC BY-SA 4.0.