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BATTLE // June 14, 1800

Battle of Marengo

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Overview

The Battle of Marengo was fought on 14 June 1800 between French forces under the First Consul Napoleon Bonaparte and Austrian forces near the city of Alessandria, in Piedmont, Italy. Near the end of the day, the French overcame General Michael von Melas's surprise attack, drove the Austrians out of Italy and consolidated Bonaparte's political position in Paris as First Consul of France in the wake of his coup d'état the previous November.

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

Significance

The Battle of Marengo, fought near Alessandria in Piedmont, Italy, was a decisive engagement in the Italian theater that drove Austrian forces out of Italy. Despite being caught off guard by General Michael von Melas's surprise attack, French forces under Napoleon Bonaparte ultimately reversed the course of the battle by the day's end, inflicting roughly 6,000 Austrian casualties against approximately 5,600 French. The Austrian force of 30,000 outnumbered the French 22,000, making the eventual French success operationally significant. Beyond its military consequences, the battle directly reinforced Bonaparte's political standing in Paris, consolidating his authority as First Consul following the coup d'état of the previous November. A defeat at Marengo would have imperiled both the Italian campaign and his fragile grip on domestic power; the victory instead demonstrated that his regime could project force effectively, lending it legitimacy at a critical moment in the early Napoleonic period.

Forces & casualties

Troop strength

  • French Republic22,000
    medium
  • Habsburg monarchy30,000
    medium

Habsburg monarchy fielded a 1.4 : 1 numerical advantage

Casualties

  • French Republic5,600
    medium25% loss rate
  • Habsburg monarchy6,000
    medium20% loss rate

Commanders (12)

French Republic

Habsburg monarchy

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6 sibling battles · 2 factions

Last verified May 2026
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