100 Years Ago Today on 23 July 1917

​One hundred years ago on 23 July 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 raid at 1.00 a.m. was completely successful. The Barrage was reported to be faultless. Fifty-one prisoners were taken, including one officer. Lieutenant Philpott went over behind the attacking parties and sent back valuable reports through the Liaison Officer.
O.O. No. 98 was issued today. The Brigade is to be withdrawn from the line and come into action in support of an Operation by the 1st and 2nd Canadian Divisions, against the high ground N.W. of LENS.
 
3rd Canadian Divisional Artillery war diary records:
CHATEAU DE LA HAIE – At one A.M. 23rd July, the 3rd C.D.A. and attached Artillery covering 3rd Division front in accordance with O.O.118 co-operated with the 9th Cdn. Inf. Bde., in raiding the enemy trenches and Trench Mortar emplacements in Railway embankment in front of AVION. This operation was successful, but unfortunately two outposts left behind by the main force when it retired got into difficulties and had casualties.
Visibility was interfered with by ground mist. Aerial activity was marked on both sides. Our Heavy and Field gun activity before the operation 1.A.M. as usual, the heavies bombarding the area to be raided. Barrage opened well on time and was reported all that could be desired by the Infantry engaged.
Ammunition Expended. A:17580. AX 2684. BX 6636. BCBR.100   Guns in Action. 86 - 18.pdrs. 39- 4.5”How.
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Artillery Group. Their war diary records:
FIELD - During the forenoon fired several rounds on Trenches in M19d, M35c and d, and M34b.
In the evening we fired 140 rounds on Hostile Battery NZ90 at N29b4.9.
Results were satisfactory.
During the day position was again shelled with 5.9HE and 4.2 Gas Shells. We had no casualties.
 
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – Carried out barrage in support of 116th. Battalion, 9th Canadian Brigade, 3rd. Canadian Division raid which was most successful and the barrage perfect. These Headquarters bombed by hostile aircraft, five high explosive bombs being dropped severing communication wires for a short period.
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - WEATHER:-     Fine and very warm.
Transfer of remainder of 1st C.D.A. & A/14 Bde., R.F.A. from XIIICorps to Canadian Corps.
 
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.