For all practical purposes, the history of the battery parallels that of the battalion. Originally constituted in the National Army as 1st Battalion, 26th Field Artillery Regiment in July 1918 and organized at Camp McClellan, Alabama the following month. Assigned to 9th Division. Demobilized February 1919 at McClellan; no overseas service during World War I. Allotted to Regular Army in 1923. Assigned to 5th Division in 1929. Relieved from 5th Division and assigned to 9th Division (later redesignated 9th Infantry Division) in 1930.
Activated 1 August 1940 at Fort Bragg, Norh Carolina. Regiment reorganized and redesignated 26th Field Artillery Battalion; remained an element of 9th Infantry Division. Equipped with towed 105-millimeter howitzers. Participated in Carolina Maneuvers (supported 39th Infantry), October and November 1941. Underwent amphibious training under Amphibious Corps, Atlantic Fleet (later redesignated Fleet Marine Force, Atlantic). Overseas September 1942. Participated in the Invasion of North Africa (element of Regimental Combat Team 39) 8 November 1942. Landed in Sicily 15 July 1943 (D-Day + 5). Arrived in England 27 November 1943, where it equipped, trained and staged prior to landing in France 9 June 1944 (D-Day + 3). Nine campaign participation credits: Algeria-French Morocco (Invasion); Algeria-French Morocco (Campaign); Tunisia; Sicily; Normandy; Northern France; Rhineland; Ardennes-Alsace and Central Europe. Cited twice in the Orders of the Belgian Army for actions along the Meuse River and in the Ardennes, entitling battalion to the Fourragere in the colors of the Croix de Guerre (Belgium). Inactivated in Germany 20 November 1946.
Activated at Fort Dix, New Jersey July 1947. Reorganized and redesignated 26th Artillery, a parent regiment under Combat Arms Regimental System (CARS), December 1957. Elements participated in operations in Republic of Vietnam from 1967 to 1972, assigned and/or attached to 41st Artillery Group, 108th Artillery Group, XXIV Corps Artillery, 1st Cavalry Division and First Field Force, Vietnam Artillery.