The Ceylon Defence Force (CDF) was established in 1910 by the Ceylonese legislation Ceylon Defence Force Ordinance, which reformed the Ceylon Volunteer Force (CVF) that existed previously as the military reserve in the British Crown colony of Ceylon. At the time of forming it was only a reserve force but soon developed into a regular force responsible for the defence of Ceylon. The CDF was under the command of the General Officer Commanding, Ceylon of the British Army in Ceylon if mobilised. However mobilisation could be carried out only under orders from the Governor. History The origins of the Ceylon Defence Force can be traced back to the formation of the Ceylon Volunteers in 1881, whereby the Citizens' Rifle Society rifle section was designated the 1st Battalion Ceylon Light Infantry with Lieutenant Colonel John Scott Armtage appointed as the first Commanding Officer. The Ceylon Volunteers subsequently were renamed the Ceylon Volunteer Force and finally was renamed the Ceylon Defence Force in 1910. Units of the Ceylon Volunteer Force in 1910. Ceylon Artillery Volunteers (CAV) Ceylon Light Infantry (CLI) Ceylon Mounted Infantry (CMI) Ceylon Planters Rifle Corps (CPRC) Ceylon Volunteer Medical Corps (CVMC) Ceylon Engineers (CE) Cadet Battalion Ceylon Light Infantry Second Boer War In 1900 Ceylon Mounted Infantry saw action and in 1902 a contingent of Ceylon Planters Rifle Corps, took part in the Second Boer War in South Africa. Their services were recognised by presentation, in 1902, of a colour to the Ceylon Mounted Infantry, and a presentation in 1904, of a Banner to the Ceylon Planters Rifle Corps. Although there were Ceylonese officers much of the officer corps was made up of British officers and the other ranks were mostly Ceylonese with the exception of the Ceylon Planters Rifle Corps which was completely made up of Europeans. First World War In 1914, with the outbreak of the First World War, the Ceylon Defence Force was mobilised and expanded. Many volunteers from the Defence Force traveled to England and joined the British Army, and many of them were killed in action. One of them mentioned by Arthur Conan Doyle was Private Jacotine of the Ceylon Light Infantry, who was the last man left alive in his unit at the Battle of Lys, and who continued to fight for 20 minutes before he was killed. The CPRC sent a force of 8 officers and 229 other ranks commanded by Major