In the royal warrant, dated the 1st of July 1751, for establishing and maintaining uniformity in the clothing, standards, and colours of the army, and regulating the number and rank of regiments, the facings of the THIRTY-NINTH regiment were directed to be _green_. The first, or King’s colour, was the Great Union; the second, or regimental colour, was of _green_ silk, with the Union in the upper canton; in the centre of the colour the number of the rank of the regiment, in gold Roman characters, within a wreath of roses and thistles on the same stalk. At this period the uniform of the regiment was cocked hats bound with white lace; scarlet coats faced and turned up with green, and ornamented with white lace; scarlet waistcoats and breeches; white gaiters, white cravats, and buff belts. [Sidenote: 1752.] Colonel John Adlercron was appointed to the colonelcy of the THIRTY-NINTH regiment on the 14th of March 1752, in succession to Brigadier-General Edward Richbell, removed to the Seventeenth foot. [Sidenote: 1754.] In the beginning of 1754, the THIRTY-NINTH proceeded from Ireland to the East Indies, being the _first_ King’s regiment employed in that country. [Sidenote: 1756.] The regiment remained at Madras until 1756, when events transpired which occasioned a portion of the THIRTY-NINTH to be embarked for Bengal. Upon the decease of Allaverdy Khan, in April 1756, Surajah Dowlah was proclaimed Soubah, or Nabob of Bengal. During nearly half a century the British at Calcutta had pursued a profitable commerce in peace; but the new ruler soon evinced his hostility to them, and taking the field shortly afterwards, with a numerous army, invested Calcutta, which was captured by him on the 20th of June. Then followed that awful sacrifice of life in the “_Black Hole_,” a dungeon at Calcutta only eighteen feet square, into which one hundred and forty-six of the prisoners were thrust, and on the following morning only twenty-three survived,--their unfortunate companions having perished from suffocation. Dark was the cloud which hung over the affairs of the East India Company at this period; self-preservation made it imperative to adopt measures of retaliation, and it was a proud epoch in the career of the THIRTY-NINTH when a portion of the regiment was selected for service in Bengal, where the subsequent successes, obtained under Lieut.-Colonel Clive, dispersed the prevailing gloom, and paved the way for British ascendancy in India.