20th Engineer Battalion
"Build and Fight"

07 December 1917; Constituted in the National Army as the 42nd Engineer Battalion.

07 February 1918; Organized at Washington, DC.

18 October 1918; Battalion broken up and its elements reorganized as follows: Headquarters disbanded,
"A" Company redesignated as 42nd Company, 20th Engineers,
"B" Company redesignated as 43rd Company, 20th Engineers,
"C" Company redesignated as 44th Company, 20th Engineers,
"D" Company redesignated as 45th Company, 20th Engineers.

June/July 1919; 42nd, 43rd, 44th and 45th Companies, 20th Engineers demobilized at Camp Merritt, New Jersey and Newport News, Virginia.

01 October 1933; Reconstituted in the Regular Army as the 42nd Engineers.

01 June 1940; Activated at Fort Benning, Georgia.

01 August 1942; Redesignated as 20th Engineer Combat Regiment.

15 January 1944; 20th Engineer Regiment broken up and its elements reorganized and redesignated as follows:
1st Battalion as the 20th Engineer Combat Battalion,
Headquarters and Headquarters Service Company as Headquarters and Headquarters Company,
1171st Engineer Combat Group and 2nd Battalion as the 1340th Engineer Combat Battalion. (Hereafter separate lineage.)

30 March 1946; 20th Engineer Combat Battalion inactivated in Germany.

18 September 1950; Activated at Fort Bragg, North Carolina.

08 June 1953; Reorganized as the 20th Engineer Battalion.

16 October 1992; Assigned to the 1st Cavalry Division at Fort Hood, Texas.

20th Engineer Battalion
DateLine


1917
Constituted in the National Army as the 42nd Engineer Battalion. (07 December)

1918
Organized at Washington, DC. (07 February)

1918
Battalion broken up and its elements reorganized as follows:
Headquarters disbanded (18 October),
"A" Company redesignated as 42nd Company, 20th Engineers (18 October),
"B" Company redesignated as 43rd Company, 20th Engineers (18 October),
"C" Company redesignated as 44th Company, 20th Engineers (18 October),
"D" Company redesignated as 45th Company, 20th Engineers. (18 October)

1919
42nd, 43rd, 44th and 45th Companies, 20th Engineers demobilized at Camp Merritt, New Jersey and Newport News, Virginia. (June/July)

1933
Reconstituted in the Regular Army as the 42nd Engineers. (01 October)

1940
Activated at Fort Benning, Georgia. (01 June)

1942
Redesignated as 20th Engineer Combat Regiment. (01 August)

1944
20th Engineer Regiment broken up and its elements reorganized and redesignated as follows:
1st Battalion as the 20th Engineer Combat Battalion (15 January),
Headquarters and Headquarters Service Company as Headquarters and Headquarters Company, (15 January)
1171st Engineer Combat Group and 2nd Battalion as the 1340th Engineer Combat Battalion. (Hereafter separate lineage.) (15 January)

1946
20th Engineer Combat Battalion inactivated in Germany. (30 March)

1950
Activated at Fort Bragg, North Carolina. (18 September)

1953
Reorganized as the 20th Engineer Battalion. (08 June)

1992
Assigned to the 1st Cavalry Division at Fort Hood, Texas. (16 October)



Copyright © 1996, Cavalry Outpost Publications ® and Trooper Wm. H. Boudreau, "F" Troop, 8th Cavalry Regiment (1946 - 1947). All rights to this body of work are reserved and are not in the public domain, unless as noted in the bibliography. Reproduction, or transfer by electronic means, of the History of the 20th Engineer Battalion, or any internal element, is not permitted without prior authorization. Readers are encouraged to link to any of the pages of this Web site, provided that proper acknowledgment attributing to the source of the data is made. Other references to computer manufacturers or products use trademarks owned by their respective manufacturers. The technical information contained herein is subject to change without notice.

Revised 19 Aug '04