100 Years Ago Today on 12 May 1917

One hundred years ago on 12 May 1917
31st Battery, Canadian Field Artillery, Canadian Expeditionary Force had recently become a sub-unit of the 9th Canadian Field Artillery Brigade in the 3rd Canadian Division. The 9th Brigade war diary records:
Visibility good. Both our own and enemy planes unusually active, Our Scouts engaged in considerable patrol work over enemy lines. Our F.O.O’s report new wire entanglements have been placed in front of trench from T.2.d.50.50 to T.a.60.30. A number of working parties observed today, were engaged and dispersed by our 18-Pdrs.
O.O. No. 72 provides for the ?? over, by our Batteris, ammunition from the A.H.A. Brigade, 242nd A.F.A. Brigade and 93rd A.F.A. Brigade, as these Batteries are being withdrawn from the corps. The receipt of this Ammunition will be of great value to the Batteries, as our horses have been taxed to the utmost in packing ammunition up to the guns.
At 7.45 P.M. a Zeppelin was observed travelling in a Northerly direction behind MERICOURT.
 
58th Battery, Canadian Field Artillery, Canadian Expeditionary Force was a sub-unit of the 14th Canadian Field Artillery Brigade in the 5th Canadian Division. The Division was training in England and the Brigade war diary records:
WITLEY – Hut B 22 came out of mumps quarantine. CO’s inspection.
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force war diary records:
DIVION – Battery on rest in Billets at DIVION.
 
The 15th Field Artillery Regiment RCA perpetuates the following sub units:
31st Battery, Canadian Field Artillery, Canadian Expeditionary Force,
58th 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.