One hundred years ago on 25 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:
The brigade remained at rest at this point until the end of the month, most of the time being devoted to cleaning equipment and grooming horses.
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. Quiet on the front. Lieut. T.C. Wood on leave to Blighty. 40th Battery had gun loaned to 45th Battery returned last night. Lieut. Duncan took up new sniping gun to T.20. Lt. Col. Ralston D.S.O. visited Infantry Bde. H.Q. to strengthen the liaison between Infantry and Artillery.
3rd Canadian Divisional Artillery war diary records:
FORT GEORGE - Visibility has been poor on account of mist for the last few days, interfering greatly with ground observation. Enemy artillery seems to be becoming more active, considerable attention being paid to our roads and positions north of VIMY between village and the railway loop. Ammunition expended: A.31, Incen.99, BX.53. Guns in action: 19 - 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 – Period very quiet. Very little firing done whatever during this time.
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - Artillery inactive.
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.