1820

Regiment based at Trincomalee.

14 January:
Death of Lieut. James Roskrow at Trincomalee

April:
Departure of Capt. John Ritchie and Lieut. D'Arcy Wentworth for Britain on board the Alexander.

21 May:
Death of Capt. Ritchie at sea from fever.

18 August: Marriage of Captain John Pike at Galle.

28 September:
Death of Lieut. Duncan Campbell (Elizabeth Macquarie's nephew) near Trincomalee.

October:
Cholera epidemic in Trincomalee - numerous deaths.