2d Battalion, 6th Infantry Regiment

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

Organized March-May 1812 in Vermont, New Hampshire, or Connecticut

Consolidated May-October 1815 with a company of the 25th Infantry (constituted 26 June 1812) and a company each of the 27th, 29th, and 37th Infantry (all constituted 29 January 1813) to form a company of the 6th Infantry

Designated 22 May 1816 as Company B, 6th Infantry

Consolidated 1 May 1869 with Company B, 42d Infantry, Veteran Reserve Corps (constituted 21 September 1866), and consolidated unit designated as Company B, 6th Infantry

(6th Infantry assigned 18 November 1917 to the 5th Division; relieved in August 1921 from assignment to the 5th Division; assigned 24 March 1923 to the 6th Division; relieved 16 October 1939 from assignment to the 6th Division)

Reorganized 15 July 1940 as Company B, 6th Infantry (Armored), an element of the 1st Armored Division

Redesignated 1 January 1942 as Company B, 6th Armored Infantry, an element of the 1st Armored Division

Reorganized and redesignated 20 July 1944 as Company B, 6th Armored Infantry Battalion, an element of the 1st Armored Division

Converted and redesignated 1 May 1946 as Troop B, 12th Constabulary Squadron, an element of the 1st Constabulary Regiment

Inactivated 20 September 1947 in Germany

Converted and redesignated 10 October 1950 as Company B, 6th Infantry (12th Constabulary Squadron concurrently relieved from assignment to the 1st Constabulary Regiment)

Activated 16 October 1950 in Germany

Reorganized and redesignated 1 June 1958 as Headquarters and Headquarters Company, 2d Battle Group, 6th Infantry (organic elements [constituted 2 May 1958] concurrently activated)

Reorganized and redesignated 1 September 1963 as the 2d Battalion, 6th Infantry, and assigned to the United States Army Berlin Brigade

Inactivated 29 June 1984 in Germany and relieved from assignment to the Berlin Brigade

Assigned 1 August 1984 to the 1st Armored Division and activated in Germany

Relieved 17 January 1992 from assignment to the 1st Armored Division and assigned to the 3d Infantry Division

Inactivated 16 August 1992 in Germany and relieved from assignment to the 3d Infantry Division

Assigned 16 February 1997 to the 1st Armored Division and activated in Germany

Redesignated 1 October 2005 as the 2d Battalion, 6th Infantry Regiment