100 Years Ago Today on 21 September 1917

One hundred years ago on 21 September 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:
From this date to the 22nd inst., the Headquarters and four batteries mentioned herewith were in rest at MAGNICOURT, a small village nestling among some rolling hills.  The men had a splendid rest during this time and many parties were sent for the day to ST. POL.  In addition an infantry band was engaged on three different occasions which was very much appreciated.  General sports for the men were held on two occasions and some Indian cavalry billeted near here very kindly offered to assist in the days sports.  Their horsemanship and other feats were magnificent and filled our men with surprise and admiration.                                                     
 
31st Battery, Canadian Field Artillery was attached to 10th Canadian Field Artillery Brigade during this period. The 10th Brigade war diary records that:   
Fine and warm. Quiet on the front. One gun of 45th Bty., CFA., attached to sniping gun.
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3rd Canadian Divisional Artillery war diary records:
FORT GEORGE -  Enemy artillery becoming much more active chiefly on account of movement on our side. Aerial activity was much more above normal. Brig-General J.H. Mitchell DSO left for England on twelve days leave. Ammunition expended: A.6, AX.16, BX.62. Guns in action: 19 - 18pdrs., 6 - 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 -  Lieut. R.L. Smith proceeded to 11th Brigade as Liaison Officer..
 
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – Day comparatively quiet.  One hostile battery was fired upon and an explosion of ammunition dump occurred.  In the evening, at about 23:00 enemy put over a large number of mustard gas shells.  3 men of No. 3 were gassed during the bombardment. 
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - No activity.
 
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.