One hundred years ago on 22 August 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:
Visibility good. Enemy planes were very active again today frequently crossing our lines. Five enemy balloons were also observed. Movement of enemy in front areas was below normal but considerable motor and horsed transport observed on the MUERCHIN-CARVIN road. Enemy artillery has been very active heavily shelling the area between LOOS and our battery positions and also during the night putting a large number of gas shells in the same area. The enemy used five search lights during the night trying to pick up our planes.
3rd Canadian Divisional Artillery war diary records:
BRAQUEMONT - Visibility good. Enemy aeroplanes were active during the morning and evening crossing our lines on several occasions. Bombs were dropped in our back areas about 10 p.m. Our aeroplanes have been very active and several enemy balloons were reported. Enemy artillery 5.9" and 8" has been very active, LOOS and LOOS CRASSIER being heavily bombarded at different times. Our heavy and field artillery were active on trenches and defences of the enemy and targets of opportunity. Artillery supporting 1st. Canadian Division came under C.R.A. 3rd. C.D.A. Ammunition expended A.4314. AX.2506. HX.712. Guns in action 32 18-pdrs., 24 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 of August the Battery took part in the capture of Hill 70, also the taking of the Green Crasier and all the fighting on the Lens front. During this time the Battery was twice heavily shelled by 8” and on several occasions we were bombarded with Gas Shells.
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – Carried out shoots on Green Crassier, Oinnibar and Slade Trenches. Harassing fire throughout the day.
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - WEATHER: Fair but unsettled. Summary of artillery situation on Canadian Corps Front 22.8.1917, (see appendices).
5.15 am From 2nd CDA SOS on 2nd and 4th Canadian Division fronts preceded by fairly heavy shelling.
5.17 am To CCHA CCHA warned. Already firing and SOS quietening down on 4th Canadian Division front.
5.30 am From 2nd CDA SOS quiet.
9.10 am From 4th CDA Left battalion of 4th Canadian Division reported to be occupying lower portion of ALOOF Trench. Information passed to CCHA.
1.07 pm From 2nd CDA Right group have been requested by the infantry not to do any shooting for a while.
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