100 Years Ago Today on 3 August 1917

One hundred years ago on 3 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.  The day was very quiet except for a hostile barrage about 4.00am on LOOS and LOOS CRASSIER.  Our artillery very active against wire and enemy defences.  No balloons or aeroplances observed up.
 
3rd Canadian Divisional Artillery war diary records:
BRAQUEMONT - Bad weather is still keeping up interfering with visibility, and making conditions more and more unsuitable for an attack. The usual night firing by our artillery was carried out.  The enemy did some scattered shelling during the day and night, one 4.1 shell hitting just behind the 33rd battery horse lines at LES BREBIS.  Eighteen horses died or were destroyed and four were wounded.  One man was killed. 
Ammunition expended A.42, HX.300.  Guns in action 32 18-pdrs., 4 13-pdrs., 12 4.5" how.
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Heavy Artillery Group for administration and under command 2nd Canadian Heavy Artillery Group for Counter-Battery. 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 – Sergt. Vice, 72nd. SAHA., of this group was decorated with the Military Medal.  This N.C.O.  repaired telephone lines and kept communication up with an advanced O.P. in front of our lines under constant heavy shelling.  Good observation was thereby obtained on enemy wire which was destroyed to the satisfaction of the infantry.  Harassing fire on railway lines and embankments around LENS carried out during day.
 
2nd Canadian Heavy Artillery Group was placed in tactical control of 5th Canadian Siege Battery for counter battery work. The 2nd CHAG war diary records:
X.23.b.1.5 -  Wet and rainy. Visibility nil. Little counter battery work, but a good deal of harassing fire throughout day and night.
Ammunition expended:-    60-pr.    8”How     6”How     9.2”How     4.5”How
                                                   417            106           279          72                505
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field -      WEATHER:  cloudy with frequent 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.