The correct answer is Fourth, 1799.

• The Governor-General, Lord Wellesley asked Tipu Sultan to break his ties with the French and enter into the Subsidiary Alliance but he refused to accept it. Thus, the Fourth Anglo-Mysore War started.
• The war ended with the death of Tipu Sultan, who was killed while fighting to save his capital Srirangapatnam.

Important Points 

• First Anglo Mysore war (1766-69):
  • The Treaty of Madras (1769) ended the First Anglo Mysore war.
  • It was signed between British and Hyder Ali of Mysore.
  • Haider Ali defeated the British.
• Second Anglo Mysore war (1780-84):
  • Warren Hastings attacked French port Mahe, which was in Haider Ali's territory.
  • Haider Ali died during the second Anglo Mysore war.
  • The war ended with a treaty of Mangalore.
  • In 1781, Haider Ali was defeated at Porto Novo by Eyrecoot.
  • Haider Ali made an alliance with Marathas and Nizams and attacked British
• Third Anglo Mysore war (1790-92):
  • Marathas and Nizams were with the British and Cornwallis started the war which ended with the defeat of Tippu Sultan.
  • By the treaty of Srirangapatnam, Tippu ceded half of his territory.
• Fourth Anglo Mysore war (1798-99):
  • Lord Wellesley arrived and trying to sign a subsidiary alliance with Indian Kingdoms and was forcing the same on Tippu but he rejected.
  • Tippu had sent ambassadors to Turkey and France which was made as an excuse by Wellesley to attack Tippu.
  • Later he fought bravely and got defeated and killed in 1799.