100 Years Ago Today on 16 October 1917

​One hundred years ago on 16 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 pulled out at 9.00 am; the weather was fine and we arrived at WATOU about noon.  The horses were again in open fields but most of the men managed to find billets in barns and houses and were fairly comfortable.  Operation Order #110-5 was here issued referring to the continuation of the march tomorrow to the VLAMERTINGHE area.
 
3rd Canadian Divisional Artillery war diary records:
In accordance withO.O.137-7 march was continued into the WINNEZEELE Area, Headquarters, 3rd. C.D.A. being established at WATOU. The 3rd, Canadian Divisional Pack Train ceased to be attached to the 3rd. C.D.A. and the 3rd. C.D.T.M. Brigade came under orders of the C.R.A. 3rd. Canadian Divisional Artillery – O.O. 138-0. The 3rd. C.D.A. came under orders of the G.O..C., R.A. Second Anzac Corps on arrival in the WINNEZEELE Area.
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Heavy Artillery Group. Their war diary records:
Nil
 
1st Canadian Heavy Artillery Group war diary records:
? via ? this morning at 09:00 arriving at ? at 19:00, ? for the night. 
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
At POPERINGE, G.O.C., R.A. and S.O., R.A. at 2nd ANZAC H.Q. conferences and preparatory arrangements to take over.  . 
 
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.