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BATTLE // June 24, 1859

Battle of Solferino

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Overview

The Battle of Solferino on 24 June 1859 was the climactic battle of the Second Italian War of Independence and resulted in the victory of the allied French army under Napoleon III and the Piedmont-Sardinian army under Victor Emmanuel II against the Austrian army under Emperor Franz Joseph I. It was the last major battle in world history in which all the armies were under the personal command of their monarchs. There were approximately 300,000 soldiers on both sides in the most important battle, the largest since the Battle of Leipzig in 1813. The number of soldiers present was about 130,000 Austrian troops and a combined total of 140,000 French and allied Piedmontese troops, but not all were actually involved in the battle. After the battle, the Austrian emperor stopped directly commanding his army.

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

Significance

The Battle of Solferino on 24 June 1859 was the climactic engagement of the Second Italian War of Independence, ending in victory for the allied French and Piedmont-Sardinian forces over the Austrian army under Emperor Franz Joseph I. With roughly 300,000 soldiers present across both sides, it was the largest battle since Leipzig in 1813, and the outcome effectively decided the war's direction in northern Italy. The defeat prompted Franz Joseph to relinquish personal command of his forces, a direct institutional consequence of the battle's result. Solferino also holds a distinct place in military history as the last major engagement in which all opposing armies were simultaneously commanded in the field by their reigning monarchs, marking a transition in how European powers organized supreme command.

Forces & casualties

Troop strength

  • France82,935
    medium
  • Austria119,783
    medium

Austria fielded a 1.4 : 1 numerical advantage

Casualties

  • France1,622
    medium2% loss rate
  • Austria2,386
    medium2% loss rate

Commanders (3)

Austria

France

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Last verified June 2026
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