100 Years Ago Today on 12 June 1917

​One hundred years ago on 12 June 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 good. Enemy Artillery shelled VIMY and LENS-ARRAS road, in retaliation for our Heavy Artillery bombardment of AVION today. Enemy planes very active, as many as twelve being our line at one time today.
Our A.A. Guns, however, drove them back quickly. A great deal of enemy movement reported today; any opportunity targets, within range, were taken on by our Batteries.
O.O.No. 86 issued today gives orders for preparation to be made for a series of “Concentrated Shoots” at irregular intervals. Orders will be given for one minute shootes, on a specially selected target. All Batteries will be engaged in these shoots.
O.O.No.87 also issued today, order the 45th Battery and 24th How. Battery to locate positions for a forward gun to be used as a Sniping Gun.
 
3rd Canadian Divisional Artillery war diary records:
Fort George – Visibility good on account of which many aeroplanes were up on both sides, and a great deal of movement was observed in the enemies back country. Two batteries of the 179th Bde commenced moving into position in VIMY to relieve battery of Carscellan’s and Battery of Ralston’s Group O.O.98. 3rd Brigade CFA left the Division.
Ammunition Expended. A:343. AX 359. BX 155. Guns in action. 68-18.pdrs.  4.5” Hows. 2” T.M.2
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Artillery Group. Their war diary records:
Early this morning we fired 30 rounds on our S.O.S. lines. German attack did not materialize. During the afternoon fired 150 rounds on Railway Embankment at M30d15.32, with ground observation. Shoot was very satisfactory, 1 explosion and 1 fire being caused.
10.05 pm to 10.55 pm fired 91 rounds on M25a90.06, M25a85.10, M25a65.25, M25a50.40. Response to S.O.S. Call.
 
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – Bombarding dug-outs, trenches and railway embankment.
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field – Weather, bright sun, very warm.
Nothing to report.
 
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.