Siege of Najran
523 CE.
Shown on the map at 17.492°, 44.132°.
The Siege of Najran was a siege during the invasion of the Himyarite kingdom in modern day Yemen by the Kingdom of Aksum in modern Ethiopia. It is one of the most famous cases of warfare in pre-Islamic Arabia.
Text from the Wikipedia article Siege of Najran (523–525), licensed CC BY-SA 4.0.