2018. Through this period of supporting combat operations the 180th also continued to provide support for natural disasters, power outages and other state directed mission in Oklahoma. Lineage Constituted in 1890 in the Oklahoma Volunteer Militia as the 1st Infantry Regiment (Oklahoma Volunteer Militia redesignated in 1895 as the Oklahoma National Guard) Organized 21 December 1895 from existing units with headquarters at Guthrie Consolidated with elements from Arizona, New Mexico, and the Indian Territory and mustered into federal service 4–23 July 1898 as the 1st Territorial Volunteer Infantry; mustered out of federal service 11–15 February 1899 at Albany, Georgia Former 1st infantry Regiment reorganized in 1899 in the Oklahoma National Guard as the 1st Infantry with headquarters at Guthrie Mustered into federal service 27 June – 1 July 1916 at Fort Sill, Oklahoma; mustered out of federal service 1 March 1917 at Fort Sill, Oklahoma Mustered into federal service 5 August 1917 at Fort Sill, Oklahoma; concurrently, drafted into federal service Consolidated 15 October 1917 with the 7th Infantry, Texas National Guard; consolidated unit concurrently reorganized and redesignated as the 142d Infantry and assigned to the 36th Division Demobilized 17 June 1919 at Camp Bowie, Texas Elements of the former 1st Infantry in eastern Oklahoma consolidated 1920–1921 with elements of the 3d Infantry (organized and federally recognized 3 September 1918 in the Oklahoma National Guard with headquarters at Muskogee) and consolidated unit designated as the 3d Infantry (elements of the former 1st Infantry in central Oklahoma consolidated with the 2d Infantry – hereafter separate lineage) Redesignated 14 October 1921 as the 180th Infantry and assigned to the 45th Division Inducted into federal service 16 September 1940 at home stations (45th Division redesignated 11 February 1942 as the 45th Infantry Division) Inactivated 22–29 November 1945 at Camp Bowie, Texas Reorganized and federally recognized 18 September 1946 with headquarters at Holdenville Ordered into active federal service 1 September 1950 at home stations (180th Infantry [NGUS] organized and federally recognized 15 September 1952 with headquarters at Holdenville) Released 30 April 1954 from active federal service and reverted to state control; federal recognition concurrently withdrawn from the 180th Infantry (NGUS) Reorganized 1 May 1959 as a parent regiment under the Combat Arms Regimental System to consist of the 1st and 2d Battle Groups, elements of the 45th Infantry Division Reorganized 1 April 1963 to consist of the 1st and 2d Battalions, elements of the