Siege of Leiden

Siege of Leiden
Part of the Eighty Years' War
Relief of Leiden by the Geuzen on flat-bottomed boats, on 3 October 1574. Otto van Veen.
Date October 1573 – 3 October 1574 Location Leiden (present-day Netherlands) 52°09′00″N 4°29′00″E / 52.1500°N 4.4833°E / 52.1500; 4.4833 Result Dutch victory
Belligerents
Dutch Rebels	Spain
Commanders and leaders
Pieter Adriaanszoon van der Werff (Mayor of Leiden)	Francisco de Valdez
Strength
11,000	15,000
Casualties and losses
500	2,000

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.^[1]