1798
About this period the officers and soldiers of the NINETEENTH regiment subscribed one day's pay, amounting to £84, for the relief of the widows and children of the men killed in the victory obtained by Admiral Lord Nelson over the French fleet at the battle of the Nile, on the 1st of August, 1798. The regiment subscribed also 2500 pagodas (8s. 9d. each) towards carrying on the war in Europe.
1799
Five companies embarked in February, 1799, for the continent of India, to take part in the war with the ruler of the province of Mysore, the celebrated Tippoo Saib, whose adoption of French counsels, and hostility to the British interests, proved his ruin. The Mysore was invaded by the British troops, under Lieut.-General (afterwards Lord) Harris, in March, 1799, and the army advanced by triumphant marches to the capital, the strong and splendid city and fortress of Seringapatam, which was captured by storm on the 4th of May, when Tippoo fell, mortally wounded, in the defence of the place.
The capture of the capital having terminated the war in the Mysore, the five companies of the regiment afterwards returned to Ceylon.
1800
From Columbo, the regiment marched, in October, 1800, to Point de Galle, where the head-quarters were stationed several months.
1801
In April, 1801, the regiment embarked for the harbour, town, and fortress of Trincomalee, situate in a barren tract of country on the north-east side of the island of Ceylon, from whence detachments were sent to various posts in the interior. The centre of the island appeared to be defended against the approach of Europeans by the unhealthy climate of the district, through which it was necessary to pass to enter the inland provinces, which were governed by a native chief called the King of Candy.
1802