In February 1777, this officer was appointed Ensign in the Loyal American regiment, with which he served in North America; on the 11th of September 1778, he was removed to the Seventeenth regiment of infantry; and on the 1st of September 1779, Ensign Robinson was promoted Lieutenant in the fourth battalion of the Sixtieth regiment, and was removed to the Thirty-eighth regiment on the 4th of November 1780. He was a prisoner of war in America several months during the period of his belonging to the Sixtieth, and afterwards was in several engagements in that country. Lieutenant Robinson was promoted to the rank of Captain in the Thirty-eighth regiment on the 24th of March 1794, and served at the capture of the West India Islands, under General Sir Charles (afterwards Earl) Grey, in that year, including the siege of Fort Bourbon in the island of Martinique. On the 1st of September 1794, Captain Robinson was promoted to a Majority in the One hundred and twenty-seventh regiment (since disbanded), and was removed to the Thirty-second regiment on the 1st of September 1795, when he returned home from the West Indies. He was removed to the One hundred and thirty-fourth regiment (since disbanded) on the 29th of July 1796. In May of this year he had been appointed Inspecting Field Officer of the Recruiting service at Bedford, and some years after filled the same situation in the London district. While thus employed he suggested several improvements in regard to carrying on the Recruiting service. On the 1st of January 1800, he received the brevet rank of Lieut.-Colonel, and was placed on half-pay of the Ninety-first regiment on the 30th of April 1807. Lieut.-Colonel Robinson was promoted to the brevet rank of Colonel on the 25th of July 1810. He served as Brigadier-General on the staff in the Peninsula, from the 8th of August 1812 to the 3rd of June 1813. He was promoted to the rank of Major-General on the 4th of June 1813, and continued, from that date, on the staff in Spain in that capacity until the 24th of May 1814. He commanded a brigade at the battle of Vittoria on the 21st of June 1813, siege of Sebastian in August and September following, where he was wounded, and at the actions connected with the passage of the Nive, for which he received a medal and two clasps. After the termination of the war in the Peninsula, he proceeded to North America, and was employed on the staff in Canada from the 25th of May 1814 to the 24th of March 1816, when he was removed to the staff in the West Indies. On the 2nd of January 1815, Major-General Robinson was nominated a Knight Commander of the Order of the Bath. Major-General Sir Frederick Robinson continued in command of the troops in the Windward and Leeward Islands until the 24th of July 1821. He was advanced to the rank of Lieut.-General on the 27th of May 1825; was appointed Colonel of the Fifty-ninth regiment on the 1st of December 1827; and was nominated a Knight Grand Cross of the Order