(Thrace) 10th Division, 11th Division, 12th Division Order of Battle, April 1915 In late April 1915, the corps was structured as follows: IV Corps (Thrace) 10th Division, 12th Division Order of Battle, Late Summer 1915, January 1916 In late Summer 1915, January 1916, the corps was structured as follows: IV Corps (Gallipoli) 10th Division, 11th Division, 12th Division Order of Battle, August 1916 In August 1916, the corps was structured as follows: IV Corps (Caucasus) 47th Division, 48th Division Order of Battle, December 1916 In December 1916, the corps was structured as follows: IV Corps (Caucasus) 11th Division, 12th Division Order of Battle, August 1917 In August 1917, the corps was structured as follows: IV Corps (Caucasus) 11th Division, 12th Division, 48th Division Order of Battle, January 1918 In January 1918, the corps was structured as follows: IV Corps (Caucasus) 5th Division, 8th Division, 12th Division Order of Battle, June 1918 In June 1918, the corps was structured as follows: IV Corps (Caucasus) 5th Division, 11th Division, 12th Division Sources Corps of the Ottoman Empire Military units and formations of the Ottoman Empire in the Balkan Wars Military units and formations of the Ottoman Empire in World War I Military units and formations established in 1911 1911 establishments in the Ottoman Empire Adrianople vilayet Aidin Vilayet