Siege of Cartagena
1820 CE.
Shown on the map at 10.400°, -75.500°.
The siege of Cartagena (1820–1821) (Spanish: Asedio de Cartagena de Indias (1820–1821)) was a military confrontation fought in the context of the Colombian War of Independence between Patriots and Royalists, with the victory of the former. It was the longest siege experienced by the city in its history.
Text from the Wikipedia article Siege of Cartagena (1820–21), licensed CC BY-SA 4.0.