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BATTLE // June 24, 1866

Battle of Custoza

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Overview

The Battle of Custoza took place on the 24 June 1866 during the Third Italian War of Independence in the Italian unification process.

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

Significance

The 1866 Battle of Custoza was a defeat for the Kingdom of Italy during the Third Italian War of Independence, fought as part of the broader Italian unification process. Despite fielding approximately 120,000 troops against an Austrian force of roughly 75,000, the Italian army under Alfonso La Marmora was repulsed by Austrian forces commanded by Archduke Albrecht and Franz Freiherr von John. The engagement marked the second time Italian forces suffered a defeat at Custoza, following an earlier loss at the same location during the 1848 unification campaigns. Austrian casualties of around 3,690 exceeded Italian losses of approximately 3,112, yet the battlefield outcome remained a setback for Italian arms.

Forces & casualties

Troop strength

  • Kingdom of Italy120,000
    medium
  • Austrian Empire75,000
    medium

Kingdom of Italy fielded a 1.6 : 1 numerical advantage

Casualties

  • Kingdom of Italy3,112
    medium3% loss rate
  • Austrian Empire3,690
    medium5% loss rate

Commanders (3)

Austrian Empire

Kingdom of Italy

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Related

1 sibling battles · 2 factions

Last verified June 2026
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