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BATTLE // April 15, 1574

Battle of Mookerheyde

Overview

In the Battle of Mookerheyde, Spanish Tercios defeated Dutch forces composed of German mercenaries, on 14 April 1574, during the Eighty Years' War on the heath near the village Mook and the river Meuse, not far from Nijmegen in Gelderland. Two leaders of the Dutch forces, brothers of William the Silent, were killed: Louis of Nassau and Henry of Nassau-Dillenburg.

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

Significance

The Battle of Mookerheyde was a substantial defeat for the Dutch rebel cause during the Eighty Years' War, in which Spanish Tercios destroyed a rebel force composed largely of German mercenaries on the heath near Mook along the river Meuse in Gelderland. Dutch casualties of roughly 3,000 out of a force of 5,500 indicate the severity of the engagement. The most consequential loss was personal rather than merely numerical: Louis of Nassau and Henry of Nassau-Dillenburg, both brothers of William the Silent and leading commanders of the rebel forces, were killed in the fighting. The death of two members of the Nassau family in a single engagement represented a direct blow to the leadership structure of the Dutch revolt and to the house that stood at its center. For Spain, the victory—achieved by a slightly smaller force under Sancho d'Avila and Bernardino de Mendoza—reinforced the operational effectiveness of the Tercios in the Low Countries theater and eliminated two figures capable of leading future campaigns against Habsburg authority.

Forces & casualties

Troop strength

  • Dutch rebels5,500
    medium
  • Spain5,000
    medium

Dutch rebels fielded a 1.1 : 1 numerical advantage

Casualties

  • Dutch rebels3,000
    medium55% loss rate

Commanders (4)

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6 sibling battles · 0 factions

Last verified July 2026
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