Siege of Campo Maior
1712 CE.
Shown on the map at 39.013°, -7.069°.
The siege of Campo Maior was a military operation of the War of the Spanish Succession that took place in 1712 and in which Campo Maior resisted a siege by a Spanish army commanded by Alexandre Maître, Marquis de Bay.
Text from the Wikipedia article Siege of Campo Maior, licensed CC BY-SA 4.0.