Kharkiv Operation
1919 CE.
Shown on the map at 49.992°, 36.231°.
The Kharkiv operation (24 November – 12 December 1919) was an offensive during the Russian Civil War by the Southern Front of the Red Army under the command of Alexander Yegorov against the White Guard troops of Anton Denikin.
Text from the Wikipedia article Kharkiv Operation (December 1919), licensed CC BY-SA 4.0.