| Battle of Voronezh River | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Mongol invasion of Kievan Rus' | |||||||
 The Ryazan's prince rejects the Mongols’ tribute demand. | |||||||
| |||||||
| Belligerents | |||||||
| Mongol Empire | Principality of Ryazan | ||||||
| Commanders and leaders | |||||||
|
Batu Khan Subutai |
Yuriy Igorevich of Ryazan Roman Ingvarevich of Kolomna | ||||||
| Strength | |||||||
| Several tumen of nomad cavalry[1] | A few hundred cavalry and no more than 1,000–2,000 militia on foot[1] | ||||||
| Casualties and losses | |||||||
| Light | Heavy, but some units escaped to Kolomna | ||||||
The Battle of Voronezh River happened during the Mongol invasion of Kievan Rus'. The Principality of Ryazan was the first to be attacked.