One hundred years ago on 5 September 1917
31st Battery, Canadian Field Artillery, Canadian Expeditionary Force was a sub-unit of the 9th Canadian Field Artillery Brigade in the 3rd Canadian Division. The 9th Brigade war diary records:
From this date to the 22nd inst., the Headquarters and four batteries mentioned herewith were in rest at MAGNICOURT, a small village nestling among some rolling hills. The men had a splendid rest during this time and many parties were sent for the day to ST. POL. In addition an infantry band was engaged on three different occasions which was very much appreciated. General sports for the men were held on two occasions and some Indian cavalry billeted near here very kindly offered to assist in the days sports. Their horsemanship and other feats were magnificent and filled our men with surprise and admiration.
3rd Canadian Divisional Artillery war diary records:
FORT GEORGE - 5th In accordance with O.O. # 129, the CRA, 6th Division assumed command at 10.00am. The 3rd CDA Headquarters reopened at 6.00pm at FORT GEORGE, and 3rd CDA came under Canadian Corps O.O. #130. Two composite brigades were formed, consisting of two batteries of Ralston's Group and two of Carscallen's Group each, Colonel Ralston to command the brigade in the line and Colonel Carscallen the brigade in rest. See O.O. #130 and G.594/1-1. Ammunition expended: nil.
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Heavy Artillery Group. Their war diary records:
ANGRES - During the month we were bombarded with Gas shells on several occasions also shelled 8” and 5.9” losing a quantity of ammunition.
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – At the request of 10th Canadian Infantry Bde., 6" and 9.2" batteries fired on S.O.S. lines in retaliation for hostile T.M. activity. Several concentrated shoots were carried out on Leison Station and CITE DU NORD. One killed and one wounded of 9th Cdn. S.B. by shell fire, and 9 men gassed of No. 3 Cdn. Siege Battery. On account of the heavy hostile gas shelling the batteries were compelled to work the guns with their gas masks on.
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - Artillery Order No. 75 issued.
Brig. - General MORRISON inspected the 3rd CDAC, finding the unit in good condition. The 319th, 337th, 260th, 70th and 10th Siege Batteries, R.G.A. left Canadian Corps. Orders received for transfer of D/5, D/11, and D/18 (4.5" how.) Batteries, RFA from Canadian Corps. 14th Brigade, 5th CDA, marched to CARENCY, and were attached to 4th CDA HQ. 5th CDA established at SAINS-en-GOHELLE. CRA 3rd Canadian Division relieved CRA 6th Division. 3rd CDA rejoined Canadian Corps, less 18-pdrs.
The 15th Field Artillery Regiment RCA perpetuates the following sub units:
31st Battery, Canadian Field Artillery, Canadian Expeditionary Force,
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force,
68th Battery, Canadian Field Artillery, North Russia Expeditionary Force, was not authorized to be formed until 3 August 1918, and
85th Battery, Canadian Siberian Expeditionary Force was not authorized to be formed until 12 July 1918.