Siege of Saguntum
218 BCE.
Shown on the map at 39.676°, -0.278°.
The siege of Saguntum took place in 219 BC between the Carthaginians and the Saguntines at the town of Saguntum, near the modern town of Sagunto in the province of Valencia, Spain. The battle is mainly remembered today because it triggered one of the most important wars of antiquity, the Second Punic War.
Text from the Wikipedia article Siege of Saguntum, licensed CC BY-SA 4.0.