Siege of Leiden

Overview

The siege of Leiden occurred during the Eighty Years' War in 1573 and 1574, when the Spanish under Francisco de Valdez attempted to capture the rebellious city of Leiden, South Holland, the Netherlands. The siege failed when the city was successfully relieved in October 1574.

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

Significance

The Siege of Leiden, conducted by Spanish forces under Francisco de Valdez against the Dutch rebel-held city in South Holland, ended in October 1574 with the city successfully relieved and the Spanish effort defeated. Spain sustained casualties of 2,000 against a force of 15,000, while the Dutch rebels defending Leiden under Pieter Adriaanszoon van der Werff numbered 11,000. The failed siege represented a significant check on Spanish efforts to suppress the Dutch revolt during the Eighty Years' War. Leiden's relief denied Spain control of a strategically positioned city in South Holland and demonstrated that Dutch resistance could withstand sustained Spanish military pressure. Within the broader arc of the conflict — which would continue until 1648 — the outcome reinforced the capacity of the rebellious Dutch provinces to hold key urban centers against the militarily larger Spanish force.

Forces & casualties

Commanders (2)