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BATTLE // May 23, 1568

Battle of Heiligerlee

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Overview

The Battle of Heiligerlee was fought between Dutch rebels and the Spanish army of Friesland. It was the first Dutch victory during the Eighty Years' War.

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

Significance

The Battle of Heiligerlee, fought on 23 May 1568, is conventionally treated as the opening engagement of the Eighty Years' War, marking the first major armed confrontation between Dutch rebel forces and the Spanish Empire in what would become an eight-decade conflict over Dutch independence. The rebel army under Louis of Nassau and Adolf of Nassau outnumbered the Spanish imperial force under Johan de Ligne, fielding approximately 3,900 troops against 3,200. Beyond its symbolic place as the war's inaugural battle, the engagement's broader strategic significance within the conflict cannot be elaborated from the available record.

Forces & casualties

Troop strength

  • Dutch rebels3,900
    medium
  • Spanish Empire3,200
    medium

Dutch rebels fielded a 1.2 : 1 numerical advantage

Commanders (3)

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Last verified July 2026
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