Lineage
- Constituted 3 May 1861 in the Regular Army as the 2nd Battalion, 12th Infantry
- Organized 20 May 1862 at Fort Hamilton, New York
- Reorganized and redesignated 7 December 1866 as the 21st Infantry
- Consolidated 9–31 August 1869 with the 32nd Infantry (see ANNEX) and consolidated unit designated as the 21st Infantry
- Assigned 29 July 1918 to the 16th Division
- Relieved 8 March 1919 from assignment to the 16th Division
- Assigned 22 October 1921 to the Hawaiian Division (later redesignated as the 24th Infantry Division)
- Relieved 5 June 1958 from assignment to the 24th Infantry Division and reorganized as a parent regiment under the Combat Arms Regimental System
- Withdrawn 16 January 1986 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System
Read more about this topic: 21st Infantry Regiment (United States)
Famous quotes containing the word lineage:
“I declare
Two lineages electrify the air,
That will like pennons from a mast
Fly over sleep and life and death
Till sun is powerless to decoy
A single seed above the earth:
Lineage of sorrow: lineage of joy....”
—Philip Larkin (1922–1986)