Elgin Regiment

The Elgin Regiment was an armoured regiment of the Canadian Army Reserve.
It was first raised in the 1860s as an infantry regiment, and contributed heavily to the 91st Battalion (Elgin), CEF.
The regiment mobilized the Elgin Regiment, Canadian Active Service Force on 24 May 1940. The CASF regiment was converted to armour and redesignated the 25th Armoured Regiment, Canadian Armoured Corps on 26 January 1942. The regiment again became an armoured unit during the Cold War.
In 1997, the regiment was converted from armour to combat engineers as the 31 Combat Engineer Regiment (The Elgins).

Lineage as RCAC regiment

Originated on 14 September 1866, in St. Thomas, Canada West, as the 25th Elgin Battalion of Infantry.
Redesignated on 8 May 1900, as the 25th Elgin Regiment.
Redesignated on 17 May 1904, as the 25th Regiment.
Redesignated on 29 March 1920, as The Elgin Regiment.
Redesignated on 7 November 1940, as The Elgin Regiment.
Redesignated on 15 February 1946, as The Elgin Regiment, RCIC.
Converted to armour on 1 October 1954, and redesignated as The Elgin Regiment.
Redesignated on 19 May 1958, as The Elgin Regiment.
Converted to engineers on 14 August 1997, and redesignated as the 31 Combat Engineer Regiment.

1st Battalion