High Quality Content by WIKIPEDIA articles! The 1792 Siege of Seringapatam was a battle and siege of the Mysorean capital city of Seringapatam at the end of the Third Anglo-Mysore War. An army led by Charles, Earl Cornwallis consisting of British East India Company and British Army forces, along with allied forces from the Maratha Empire and the Nizam of Hyderabad, arrived at Seringapatam on 5 February 1792, and after less than three weeks of battle and siege, forced Tipu Sultan to capitulate. With his agreement to the Treaty of Seringapatam on 18 March 1792, the war came to an end.