One hundred years ago on 30 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 fair. Only one enemy plane observed today, but no balloons. A few small parties were seen about the BOIS de QUATORES and were immediately fired on but they quickly disappeared. At 11.11 am a battalion of infantry were seen coming toward MUERCHIN from CARVIN. There was also considerable horsed traffic and motor traffic on the road between these two places. Enemy artillery was below normal except for two concentrated shoots; one during the night and the other in the afternoon on our rear areas.
3rd Canadian Divisional Artillery war diary records:
BRAQUEMONT - Visibility fair. Aerial activity below normal. Artillery on both sides below normal. Much movement seen in enemy back country. On the night of 29th/30th, relief according to O.O. 128 and G.592/1-14 was carried out and the zones of our groups changed O.O.128. Ammunition expended A.397. AX.418. BX.211. BSX.14. Guns in action 81 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 – Policy now ordered for the Siege Artillery in this area, until further orders, is that of harassing the Bosch especially in and around Lens and neighbourhood of Fosses No.21 and 22.
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - WEATHER: Mainly fair - some showers - cool.
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.