Siege of Madras
1758 CE.
Shown on the map at 13.090°, 80.270°.
Madras, held by the British, was besieged between December 1758 and February 1759 by French forces under the command of Comte de Lally during the Seven Years' War. The British garrison was able to hold out until it was relieved. The British victory contributed to the Annus Mirabilis of 1759.
Text from the Wikipedia article Siege of Madras, licensed CC BY-SA 4.0.