[1] On 8 March 1866, the 15th Battalion Volunteer Militia (Infantry) Canada was called out on active service.
[3][7][9][10] On 22 December 1915, the 155th Battalion, CEF, was authorized and on 17 October 1916, embarked for Great Britain.
[3] On 1 April 1946, The Argyll Light Infantry were converted to artillery and amalgamated with 44th (Reserve) Field Regiment, RCA.
They were subsequently redesignated as 9th Anti-Tank Regiment (Self-Propelled) (Argyll Light Infantry), RCA.
[1][2][4][5][6] On 1 September 1954, as a result of the Kennedy Report on the Reserve Army, The Argyll Light Infantry were converted back to infantry and amalgamated into The Hastings and Prince Edward Regiment along with the 34th Anti-Tank Battery (Self Propelled), RCA and The Midland Regiment.