3rd Battalion, 4th Infantry Regiment

Constituted 11 January 1812 in the Regular Army as a company of the 14th Infantry

Organized in 1812

Consolidated May-October 1815 with a company each of the 18th and 20th Infantry (both constituted 11 January 1812) and a company each of the 36th and 38th Infantry (both constituted 29 January 1813) to form a company of the 4th Infantry

Designated 21 August 1816 as Company C, 4th Infantry

Consolidated 31 March 1869 with Company C, 30th Infantry (see ANNEX 1), and consolidated unit designated as Company C, 4th Infantry

(4th Infantry assigned 1 October 1917 to the 3d Division; relieved 15 May 1940 from assignment to the 3d Division; assigned 1 November 1945 to the 25th Infantry Division)

Inactivated 31 January 1947 in Japan

(4th Infantry relieved 1 February 1947 from assignment to the 25th Infantry Division)

Activated 1 October 1948 at Fort Lewis, Washington

(4th Infantry assigned 10 October 1954 to the 71st Infantry Division; relieved

15 September 1956 from assignment to the 71st Infantry Division)

Inactivated 15 February 1958 at Fort Devens, Massachusetts

Redesignated 11 May 1959 as Headquarters and Headquarters Company, 3d Battle Group, 4th Infantry, withdrawn from the Regular Army, allotted to the Army Reserve, and assigned to the 102d Infantry Division (organic elements concurrently constituted)

Battle Group activated 1 June 1959 with Headquarters at Fairfield, Illinois (concurrently, Headquarters and Headquarters Company consolidated with Headquarters and Headquarters Company, 3d Battalion, 405th Infantry [see ANNEX 2] and consolidated unit designated as Headquarters and Headquarters Company, 3d Battle Group, 4th Infantry)

Reorganized and redesignated 1 April 1963 as the 3d Battalion, 4th Infantry

Inactivated 31 December 1965 at Fairfield, Illinois, and relieved from assignment to the 102d Infantry Division

Withdrawn 30 June 1989 from the Army Reserve and allotted to the Regular Army

Redesignated 1 October 2005 as the 3d Battalion, 4th Infantry Regiment

Assigned 16 October 2009 to the 170th Infantry Brigade and activated in Germany

Deactivated 2012