Siege

Siege of Kyiv

1240 Mongol siege of a Rus' city

The Siege of Kiev by the Mongols took place between 28 November and 6 December 1240, and resulted in a Mongol victory. It was a heavy morale and military blow to the Principality of Galicia–Volhynia, which was forced to submit to Mongol suzerainty, and allowed Batu Khan to proceed westward into Central Europe.

Fetching the article from Wikipedia…

Text from the Wikipedia article “Siege of Kyiv”, available under CC BY-SA 4.0.

Meanwhile, elsewhere