One hundred years ago on 12 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.
31st Battery, Canadian Field Artillery was attached to 10th Canadian Field Artillery Brigade during this period. The 10th Brigade war diary records that:
Fine and warm. All quiet on the front. Visit from Capt. Finlayson, Paymaster. Capt. Young and Lieut. Campbell returned from leave.
3rd Canadian Divisional Artillery war diary records:
FORT GEORGE - Enemy artillery more active otherwise the day was quiet. In accordance with O.O. #132 the remaining sections of both the 10th and 11th Batteries were relieved by sections of the 16th and 17th batteries, coming under the tactical control of the CRA 3rd CDA. Ammunition expended: A.39, AX.15, BX.40. Guns in action: 26 - 18pdrs., 6 - 4.5"hows.
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 – This period was very quiet, harassing fire being carried out during day and on back areas at night.
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - Artillery Orders Nos. 79 and 80 issued. Little activity on either side.
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.