History of the Office of The Inspector General of the United States Army (IG January 10, 1863April 1, 1864; January 2, 1881March 8, 1885) was assigned as the "de facto" head of the Office of the Inspector General, which, until then had not existed. 2 major generals, 7 brigadier generals, 18 colonels, 118 lieutenant colonels, and 149 majors of the regular army served inspector duty during the Civil War. On January 22, 1866, a War Department order established the duties of the inspector general as: In July 1866, the number of inspectors general with the rank of colonel was fixed at four; assistant inspectors general with the rank of lieutenant colonel at three;
John Brown (British Army officer) 5th Horse was conferred on Colonel Brown, 1 April 1743. He was promoted to the rank of major-general on 26 March 1754, and to that of lieutenant-general on 15 January 1758. page 89. John Brown (British Army officer) Lieutenant-General John Brown (died 1762) was a British Army officer. He entered the Army as a cornet of Horse on 5 August 1704, and served several campaigns on the Continent in the army commanded by the Duke of Marlborough. In 1735 he was lieutenant-colonel of the 4th Regiment of Dragoons, from whence he was removed to the lieutenant-colonelcy of the King's Horse