Editing 1st Armored Division (United States) (section)

=== 1940 ===
The first order of battle for the 1st Armored Division was:
<ref>[http://www.history.army.mil/html/forcestruc/cbtchron/adcomp.html army.mil] {{Webarchive|url=https://web.archive.org/web/20201018125328/http://www.history.army.mil/html/forcestruc/cbtchron/adcomp.html |date=18 October 2020 }} Component Elements of Armored Divisions in World War II</ref><ref>Stanton, Shelby L. (1984). World War II Order of Battle. New York, New York: Galahad Books World War II Order of Battle p47</ref>
HHC, 1st Armored Division
* HHC, 1st Armored Brigade
**[[1st Cavalry Regiment (United States)|1st Armored Regiment (Light)]]
**[[13th Cavalry Regiment (United States)|13th Armored Regiment (Light)]]
**[[69th Armor Regiment|69th Armored Regiment]] (Medium)
*81st Armored Reconnaissance Squadron
*[[U.S. 6th Infantry Regiment|6th Armored Infantry Regiment]]
*68th Armored Field Artillery Regiment
*[[27th Field Artillery Regiment|27th Field Artillery Battalion (Armored)]]
*[[16th Engineer Battalion (United States)|16th Engineer Battalion (Armored)]]
*13th Quartermaster Battalion (Armored)
*19th Ordnance Battalion (Armored)
*47th Medical Battalion (Armored)
*141st Signal Company (Armored)

On 15 April 1941 the division sent a [[en cadre|cadre]] to form the [[4th Armored Division (United States)|4th Armored Division]] at [[Pine Camp]], New York.