1st Battalion, 1st Infantry Regiment


The 1st Battalion, 1st Infantry Regiment is an infantry battalion in the 1st Infantry Regiment of the United States Army.

Lineage

Constituted 3 March 1791 in the Regular Army as a company of the 2d Infantry
Organized in March 1791 in New England
Redesignated in 1792 as a company of the Infantry of the 2d Sub-Legion
Redesignated 31 October 1796 as a company of the 2d Infantry
Consolidated May–October 1815 with a company each of the 3d and 7th Infantry and a company of the 44th Infantry to form a company of the 1st Infantry
Designated 21 August 1816 as Company A, 1st Infantry
Consolidated in April 1869 with Company A, 43d Infantry, Veteran Reserve Corps, and consolidated unit designated as Company A, 1st Infantry
Inactivated 10 January 1949 in Korea
Activated 4 October 1950 at Fort Ord, California
Reorganized and redesignated 15 May 1958 as Headquarters and Headquarters Company, 1st Battle Group, 1st Infantry, and remained assigned to the United States Military Academy
Redesignated 31 December 1964 as the 1st Battalion, 1st Infantry

Campaign participation credit

;War of 1812
;Mexican War
;Civil War
;Indian Wars
;War with Spain
;Philippine Insurrection
;World War II