Siege of Trichinopoly
1751 CE.
Shown on the map at 10.827°, 78.693°.
The siege of Trichinopoly (1751–1752) was conducted by Chanda Sahib, who had been recognized as the Nawab of the Carnatic by representatives of the French East India Company, against the fortress town of Tiruchirappalli, held by Muhammed Ali Khan Wallajah.
Text from the Wikipedia article Siege of Trichinopoly (1751–1752), licensed CC BY-SA 4.0.