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BATTLE // July 5, 1809

Battle of Wagram

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Overview

The Battle of Wagram was a military engagement of the Napoleonic Wars that ended in a costly but decisive victory for Emperor Napoleon's French and allied army against the Austrian army under the command of Archduke Charles of Austria-Teschen. The battle led to the breakup of the Fifth Coalition, the Austrian and British-led alliance against France. Wagram was the largest battle in European history up to that time.

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

Significance

The Battle of Wagram produced a costly but decisive French victory over the Austrian army under Archduke Charles, directly precipitating the breakup of the Fifth Coalition — the Austrian and British-led alliance against France. The engagement effectively ended Austria's ability to sustain the 1809 campaign, removing the principal continental partner from the coalition arrayed against Napoleon. Combined French and allied casualties exceeded 35,000 and Austrian losses approached 39,000, reflecting the scale and intensity of the fighting. At the time of the battle, Wagram was the largest battle in European history, a distinction that underscored both the mobilization capacity Napoleon had developed and the stakes Austria accepted in renewing war against France.

Forces & casualties

Troop strength

  • France171,939
    medium
  • Austria136,000
    medium

France fielded a 1.3 : 1 numerical advantage

Casualties

  • France35,060
    medium20% loss rate
  • Austria38,870
    medium29% loss rate

Commanders (19)

France

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Last verified June 2026
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