Siege of Marmande
1219 CE.
Shown on the map at 44.510°, 0.162°.
Siege of Marmande was a military operation in 1219 during the Albigensian Crusade between Amaury de Montfort and Louis VIII of France against Toulouse forces. The siege started in October 1218 and ended in 1219, town fell on 3 June with the sack and massacre on 10 June.
Text from the Wikipedia article Siege of Marmande, licensed CC BY-SA 4.0.