Battle of Al Mahbes
1985 CE.
Shown on the map at 27.416°, -9.051°.
The Battle of Mahbes was fought on 12 January 1985 during the Western Sahara War. As part of its Grand-Maghreb offensive, the Polisario Front, with heavy means (tanks and ground-to-air missiles), broke through the wall of sand defended by the Royal Moroccan armed forces.
Text from the Wikipedia article Battle of Al Mahbes (1985), licensed CC BY-SA 4.0.