Sack of Chernigov
The Mongol siege, capture, and sack of Chernigov, the capital of the Chernigov Principality, occurred on October 18, 1239, during the westward expansion of the Mongol Empire. It was part of the 1237–1242 Mongol invasion of [Kievan Rus'].
Location and demographics
The Principality of Chernigov was one of the largest and most powerful principalities within the Kievan Rus'. The greater part of the principality was situated on the eastern bank of the Dnieper River, encompassing the basins of the Desna and Seym rivers. The populace of the principality consisted mainly of Slavic tribes, namely the Siverians and Dnieper Polans. Over time, the territory of the principality expanded to encompass the lands of the Radimichs, as well as a portion of the lands belonging to the Vyatichs and Drehovichs. The Chernigov Principality was bordered by the Murom-Ryazan Land to the north and the Tmutorokan Principality to the southeast, and it exerted influence on both.Chernigov was the capital of the principality. Other notable urban centers included Novgorod-Seversky, Starodub-Seversky, Trubchevsk, and Kozelsk. Chernigov's population was estimated at between 25,000 and 30,000 when it was sacked. This made it a major city in a time when Kiev, the capitol of the Kievan Rus', had a population of 50,000.