One hundred years ago on 19 October 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, the batteries getting further equipment such as ration packs and pack-saddles, water carriers, etc. and some of the officers going forward to look over the new gun positions. On October 20th Operation Order #111 was issued referring to the relief by the 9th Brigade of the 108th A.F.A. Brigade R.F.A. which is to be complete by 8.00 am October 21st, 1917.
3rd Canadian Divisional Artillery war diary records:
The Headquarters remained at MERSEY CAMP for the 19th., General Mitchell and Brigade Commanders going forward with advance parties.
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Heavy Artillery Group. Their war diary records:
Left Bethune and proceeded North via Hazelbruick and reached Steenvoorde about dusk. The lorries were parked in the Town Square where we stayed for the night.
1st Canadian Heavy Artillery Group war diary records:
This Group is now known as ? Group and batteries ??? respectively.
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
Arty's Orders #88, 89 and 90 issued. Hostile art'y active all day, particularly against bty. positions and roads. Our heavy art'y engaged wire, dug-outs and houses in the vicinity of PASSCHENDAELE. Counter-bty. work 32 hostile btys. neutralized; bursts of fire on hostile btys.
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.