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BATTLE // November 22, 1475

Battle on the Planta

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Overview

The Battle on the Planta, fought on 13 November 1475 around Conthey near Sion, Valais, Switzerland, was part of the Burgundian Wars.

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

Significance

The Battle on the Planta, fought around Conthey near Sion in Valais, was an engagement within the broader Burgundian Wars of 1474–1477. A Swiss Confederation force under Supersaxo, numbering approximately 3,000, faced a Savoyard army of around 10,000. Despite being heavily outnumbered, the Swiss inflicted roughly 1,000 casualties on the Duchy of Savoy's forces. The engagement formed part of the wider conflict in which the Swiss Confederation and its allies moved against the power of Charles the Bold of Burgundy and his associated territories, with Savoy drawn into the conflict as a Burgundian ally. The battle's occurrence in Valais reflects the extent to which the Burgundian Wars spread into the Alpine and Savoyard sphere beyond the core confrontations further west and north.

Forces & casualties

Troop strength

  • Duchy of Savoy10,000
    medium
  • Swiss Confederation3,000
    medium

Duchy of Savoy fielded a 3.3 : 1 numerical advantage

Casualties

  • Duchy of Savoy1,000
    medium10% loss rate

Commanders (1)

Swiss Confederation

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Last verified July 2026
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