1761. He was 2nd-in-charge at the capture of Havana during the 1762 British expedition against Cuba for which he received a significant amount of prize money nearly £25,000. Elliot was able to buy Bayley Park in East Sussex which he altered and enlarged over the decade. He was promoted Lieutenant-General in 1765. On 6 March 1775 he was made a Privy Counsellor and temporarily appointed commander of Forces in Ireland. Gibraltar and the Great Siege On 25 May 1777 Eliott was appointed Governor of Gibraltar, taking over from the acting Governor, Robert Boyd. Eliott was promoted to General in 1778. In July 1779, Gibraltar was besieged by the French and Spanish. Eliott using his engineering skills to good effect in improving the fortifications. By August, it was very apparent that the Spanish intended to starve the garrison. The Great Siege of Gibraltar would eventually last from 1779 to 1783. A notable letter from Eliott to the Misses Fuller survives, dated 21 September 1779 and delivered on 4 October, it said simply "Nothing new. G.A.E." Eliott was an abstemious man, his diet comprising vegetables, biscuit and water. He also rarely slept for more than four hours at a time. On 13 September 1782, the French and Spanish initiated a grand attack, involving 100,000 men, 48 ships and 450 cannon. Under great duress, the Garrison held its position and, by 1783, the siege was finishing. On 8 January 1783, the British Parliament sent their official thanks to Eliott and he was nominated a Knight of the Bath. By 6 February 1783, the siege was over. Eliott was invested with his honour at Gibraltar on 23 April. A portrait from 1784, "The Siege of Gibraltar" (1782) by George Carter survives in the National Portrait Gallery. Later career Eliott returned to England in 1787. He was created Lord Heathfield, Baron Heathfield of Gibraltar on 6 July 1787 and in addition many statues, portraits and coins were produced in his honour. A will exists dated 27 February 1788. On 19 May 1788 Eliott was formally installed as Knight of the Bath, and, in June 1788, a portrait "The Installation Supper" was painted by James Gillray and resides in the National Portrait Gallery. About this time, Eliott was making his way overland back to Gibraltar where he was still Governor. However, he became ill and stayed in the Aachen area to recuperate. During 1790, he stayed