[3] The regiment landed at Madras in January 1799[3] and saw action at the Battle of Mallavelly in March 1799[4] and the siege of Seringapatam in April 1799 during the Fourth Anglo-Mysore War.

[6] At Gawilghur, Captain Campbell led the light company of the regiment up the assault ladders and over the walls of the fort, which had previously been considered impregnable, and then let the rest of the British force in through the main gate.

[15] The regiment was reformed in Glasgow (and subsequently confirmed as the successor of the predecessor formation with full continuity of battle honours),[a] in response to the threat posed by the French intervention in Spain, in December 1823.

[18] The regiment was posted to Ceylon in October 1838,[18] then moved to Cannanore in April 1839[18] and served in the Madras Presidency for fifteen years during which time it saw some action suppressing the Mappila riots in summer 1849.

[21] The main body of the regiment embarked for Karachi in November 1857[22] and then transferred to Peshawar in the North-West Frontier region in October 1858.

[10] The regiment marched into the Transvaal and took part in the successful attack on Sekukuni's stronghold on 28 November 1879 during the Basuto Gun War.

[25] The other six companies of the regiment spent the war being besieged by the Boers: C, D and H in Standerton, E and G in Pretoria, B in Marabastad, and a small detachment of 50 men in Lydenburg.