Siege of Silistra (1828)
1828 CE.
Shown on the map at 44.119°, 27.260°.
The siege of Silistra (July 21 – November 8, 1828) was an unsuccessful Russian siege during the Russo-Turkish War, 1828–1829.
Text from the Wikipedia article Siege of Silistra (1828), licensed CC BY-SA 4.0.