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BATTLE // December 2, 1805

Battle of Austerlitz

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Overview

The Battle of Austerlitz, also known as the Battle of the Three Emperors, was one of the most important military engagements of the Napoleonic Wars. The battle occurred near the town of Austerlitz in the Austrian Empire. Around 158,000 troops were involved, of which around 24,000 were killed or wounded.

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

Significance

The Battle of Austerlitz, fought on December 2, 1805, was one of the most significant engagements of the Napoleonic Wars and a decisive moment in the War of the Third Coalition. The battle, also known as the Battle of the Three Emperors, brought together approximately 158,000 troops from the French Empire and the combined Russian and allied forces under Emperors Napoleon, Alexander I, and Francis II. French casualties numbered between roughly 8,500 and 9,300, while Russian losses reached an estimated 27,000 to 36,000, reflecting the scale of the coalition defeat. The engagement effectively shattered the military capacity of the Third Coalition and established French dominance over continental Europe at that stage of the Napoleonic Wars.

Forces & casualties

Troop strength

  • French Empire65,000–75,000
    medium
  • Russian Empire73,000–89,000
    medium

Russian Empire fielded a 1.2 : 1 numerical advantage

Casualties

  • French Empire8,569–9,288
    medium13% loss rate
  • Russian Empire27,000–36,000
    medium39% loss rate

Commanders (26)

French Empire

Russian Empire

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6 sibling battles · 3 factions

Last verified June 2026
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