Siege of Ani
1124 CE.
Shown on the map at 40.508°, 43.573°.
The siege of Ani (Georgian: ანისის ალყა) occurred in August 1124, when the Georgian army, led by King David IV the Builder, successfully liberated the ancient Armenian capital of Ani and northern Armenia from the control of the Muslim emirs.
Text from the Wikipedia article Siege of Ani (1124), licensed CC BY-SA 4.0.