[1] Constituted 1 June 1821 in the Regular Army as the 4th Regiment of Artillery and organized from new and existing units with headquarters at Pensacola, Florida.

[7][8] Regiment broken up 13 February 1901 and its elements reorganized and redesignated as separate numbered companies and batteries of the Artillery Corps.

[13] The 4th Coast Artillery Battalion was constituted 3 October 1944 and activated 1 November 1944; in August 1945 Battery C was located at Seymour Island, Galápagos.

[1] A battalion of the regiment, the 1st, later redesignated the 4th Missile Battalion (Nike-Hercules), 4th Artillery, 26th Artillery Group (Air Defense) had its headquarters at Fort Lawton, Washington in the 1960s and early 1970s while operating Nike-Hercules missiles as part of the U.S. Army Air Defense Command (ARADCOM).

War of 1812: Louisiana 1815[1] Indian Wars: Creeks; Seminoles; Modocs; Little Big Horn; Nez Perces; Bannocks[1] Mexican War: Palo Alto; Resaca de la Palma; Monterey; Vera Cruz; Cerro Gordo; Contreras; Chapultepec; Tamaulipas 1846[1] Civil War: Peninsula; Shiloh; Valley; Manassas; Antietam; Fredericksburg; Murfreesborough; Chancellorsville; Gettysburg; Chickamauga; Chattanooga; Wilderness; Spotsylvania; Cold Harbor; Petersburg; Shenandoah; Nashville; Appomattox; Virginia 1861; Virginia 1862; Virginia 1863; Virginia 1864; Virginia 1865; Mississippi 1862[1] World War II: American Theater, streamer without inscription; Tunisia; Sicily; Naples-Foggia; Rome-Arno; Leyte; Ryukyus[1] Vietnam: Armed Forces Expeditions: Grenada[1] Southwest Asia: Defense of Saudi Arabia; Liberation and Defense of Kuwait[1] Gules, two pallets argent, on and over a fess vert between in chief overall five rays beveled counter beveled issuant fanwise blended from base blue through green and yellow to orange and in base a Lorraine Cross or, an escallop of the last charged with a Spanish castle of the first and between two cannon palewise of the second.

[21] On a wreath of the colors, or and gules, a sheaf of twelve arrows argent behind a garb pierced by a fishhook fesswise, hook to sinister and base, or.

[21] The shield is scarlet for artillery and with the two white stripes, representative of the campaign streamer of the War of 1812, depicts the age of some of the units of the regiment.

The escallop, the emblem of St. James, with the Spanish castle, represents the battle of Santiago, Cuba, in which elements of the regiment participated.