Skip to content
The War AtlasThe · War · Atlas

BATTLE // July 25, 1812

Battle of Ostrovno

LOADING MAP TELEMETRY…

Overview

The Battle of Ostrovno was a military engagement that took place on 25 July 1812, between French forces under the command of King of Naples Joachim Murat and Russian forces under General Ostermann-Tolstoy and ended with the Russian forces retreating from the battlefield.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Ostrovno on 25 July 1812 resulted in a Russian retreat under General Ostermann-Tolstoy against French forces commanded by Joachim Murat. With French forces numbering approximately 23,000 against roughly 14,000 Russians, the engagement produced significant casualties on both sides — around 2,500 Russian and 3,000 French — before the Russian withdrawal. The battle occurred during the opening phase of Napoleon's invasion of Russia, a period characterized by repeated Russian rearguard actions as French forces pressed eastward. The Russian retreat was consistent with the broader pattern of strategic withdrawal that would define the early campaign, denying Napoleon the decisive engagement he sought while preserving Russian field armies for continued resistance.

Forces & casualties

Troop strength

  • Russian Empire14,000
    medium
  • Kingdom of Naples23,000
    medium

Kingdom of Naples fielded a 1.6 : 1 numerical advantage

Casualties

  • Russian Empire2,500
    medium18% loss rate
  • Kingdom of Naples3,000
    medium13% loss rate

Commanders (3)

Kingdom of Naples

Russian Empire

Compare with sibling battle

6 options

Pick a battle to compare side-by-side

Related

6 sibling battles · 2 factions

Last verified June 2026
Cite this page →Suggest a correction →