Major General John Keatly Forsyth, (8 February 1867 – 12 November 1928) was a senior Australian Army officer in the First World War and after. Early life and career John Keatly Forsyth was born in Brisbane, Queensland on 8 February 1867, the son of a builder. He was educated at Fortitude Valley State and the Normal School, Brisbane and became a clerk in a sawmill and later in a solicitor's office. Forsyth enlisted in the Queensland Mounted Rifles Regiment as a trooper in November 1885. He served as a non commissioned officer before being commissioned a second lieutenant in the Queensland Mounted Infantry on 18 July 1892. He was promoted to lieutenant on 4 November 1892 and captain on 22 September 1896. He joined the Queensland Permanent Forces at a staff lieutenant on 1 August 1897, and was promoted to captain on 1 February 1901. Forsyth served as adjutant of the 4th Queensland Mounted Infantry from 1 March 1901 to 27 February 1902, of the 2nd Queensland Mounted Infantry and 4th Infantry Regiment from 28 February 1902 to 30 June 1902, and of the 2nd Queensland Mounted Infantry again from 1 July 1902 to 12 November 1905. Forsyth moved to Melbourne, where he served as a staff officer. He became secretary to the inspector general, Major General Finn, from 13 November 1905 to 1 October 1906. He joined the Victorian Instructional Staff on 1 February 1907 and was promoted to major on 28 May 1908. In 1909–1910 he was posted to India on exchange duty with the British Indian Army as brigade major of the Amballa Cavalry Brigade. Returning to Melbourne, he was deputy assistant adjutant general (DAAG) for instruction from 1 to 31 December 1910. Forsyth was a GSO2 at Army Headquarters from 1 November 1911 to 30 June 1912, became director of equipment on 1 July 1907, and was promoted to lieutenant colonel on 1 March 1914. On 1 August 1914, he became quartermaster general and a member of the Military Board. First World War On 15 August 1914 Forsyth joined the Australian Imperial Force as a temporary colonel. Appointed to command the 1st Division's mounted regiment, the 4th Light Horse Regiment, he also took on responsibility for raising the 1st Light Horse Brigade, whose commander designate, Colonel Harry Chauvel, was still on duty in the United Kingdom. Forsyth embarked with the brigade on 21 October 1914 and