100 Years Ago Today on 20 October 1917

​One hundred years ago on 20 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:
At 10.a.m. 20th October, in accordance with O.O. 138, the C.R.A. 3rd. C.D.A. took command of the Field Artillery covering the 1st New Zealand Division front. Visibility was bad on account of rain and very little intelligence was sent in.
No. of guns in action – 90-18-pdrs. 32-4.5”Hows
Ammunition expended – A.1920, AX.1426, HX.1348
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Heavy Artillery Group. Their war diary records:
Reached YPRES about noon and the men proceeded to their billets.  The Officers quarters being in the CLOTH HALL. 
 
1st Canadian Heavy Artillery Group war diary records:
Reached YPRES about noon and the men proceeded to their billets.  The Officers quarters being in the CLOTH HALL. 
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
HQ 4th C.D.A. relieved H.Q. 3rd AUSTRALIAN D.A.  HQ 3rd C.D.A. relieved HQ NEW ZEALAND D.A.  108th and 232nd Army Bdes. R.F.A. pulled out to wagon lines.  Hostile art'y put four barrages on our front line and support trenches.  Our bty. positions were shelled all day.  Our heavy art'y engaged concrete structures, dug-outs and houses.  Counter-battery work:  23 hostile batteries neutralized. 
 
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.