Siege of Leiden
1574 CE.
Shown on the map at 52.150°, 4.483°.
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.
Text from the Wikipedia article Siege of Leiden, licensed CC BY-SA 4.0.