Siege of Venlo
1511 CE.
Shown on the map at 51.367°, 6.167°.
The siege of Venlo occurred in 1511 when a combined Habsburg and English force besieged Venlo in an attempt to capture the city and bring the Duchy of Guelders to its knees.
Text from the Wikipedia article Siege of Venlo (1511), licensed CC BY-SA 4.0.