Atlas of Battles

siege, medieval

Siege of Kozelsk

Siege of Kozelsk was a siege conducted in February 1238 at Kozelsk, in what is now Russia. It was part of the Mongol invasion of Kievan Rus', which ran from 1223 to 1240. The recorded result: Mongol victory. Recorded strength: The entire population of the city against On the last day of the siege: 4,000.

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Defense of Kozelsk. Miniature from the 16th-century Nikon Chronicle.
Defense of Kozelsk. Miniature from the 16th-century Nikon Chronicle.. Anonymous Russian manuscript illuminators, 1560-1570s Facial Chronicle (Illustrated Chronicle of Ivan the Terrible) (in , Public domain, via Wikimedia Commons.
FoughtFebruary 1238
WhereKozelsk, Russia54.033N, 35.783E
OutcomeMongol victory
BelligerentsPrincipality of ChernigovagainstMongol Empire
Part ofMongol invasion of Kievan Rus'1223 to 1240

Where it sits in the Mongol invasion of Kievan Rus'

Siege of Bilär, 1236Siege of Kolomna, 1236Siege of Ryazan (1237), 1237Siege of Vladimir, 1238Siege of Kozelsk, 1238Battle of the Sit River, 1238Siege of Kyiv, 1240Battle of Kulikovo, 138012361380Siege of Kozelsk, 1238
8 placed engagements of the Mongol invasion of Kievan Rus' in time order; taller ticks are more widely documented. Each tick is a link.

Record

DateFebruary 1238 (month precision)
to April 1238
PlaceKozelsk, Russia
54.033N, 35.783E
KindSiege, medieval
StrengthThe entire population of the cityOn the last day of the siege: 4,000
Commanders
Siege of KozelskSiege of KozelskGreat stand on the Ugra riverSiege of KalugaBattle of MaloyaroslavetsSiege of Borovsk Monastery of St. PaphnutiusGreat stand on the Ugra riverSiege of KalugaBattle of MaloyaroslavetsBryanskTulaOrelSerpukhovObninskMtsenskSafonovoYefremov100 km54.033N, 35.783E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 1238

Siege of Kozelsk is one of 590 engagements of the 13th century in the atlas and one of 350 in present-day Russia.

Sources

Identity, coordinates, dates and the war from Wikidata Q4329641, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Kozelsk, revision 1370742602, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.