Conquest of Mérida
712 CE.
Shown on the map at 38.916°, -6.333°.
The Conquest of Merida was a military engagement between the Umayyads and the Visigothic garrison. The Umayyads endured a hard siege that lasted several months before the Umayyads succeeded in capturing the city, achieving a notable victory.
Text from the Wikipedia article Conquest of Mérida (712–713), licensed CC BY-SA 4.0.