One Hundred Years Ago Today on 27 July 1917

​One hundred years ago on 27 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:
In accordance with a fixed policy, the Batteries have kept silent, except when calibrating. Our Siege Batteries have been active destroying the enemy’s positions.
O.O. No. 100 issued today. This lays down our Artillery support in a forthcoming attack, to capture the high ground on the North of LENS. If this is accomplished the enemy may be forced, by the tactical situation, to evacuate this town.
 
3rd Canadian Divisional Artillery war diary records:
CHATEAU DE LA HAIE – Visibility good. Several enemy balloons up and enemy Artillery active. A great deal of enemy fire on this front seems to be in intense short bursts. Our Field guns fired on some enemy working parties and dispersed them.
Ammunition Expended. A:35, AX.1, BX.70. Guns in Action: 29-18-pdrs. 11.  4.5”Hows
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force was a sub-unit of 1st Canadian Artillery Group. Their war diary records:
FIELD - 12.30am to 12.35am fired 15 rounds rapid on M33b7.3 (Trenches).
 
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – Quiet. Trench and counter Battery programmes carried out.
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field -     WEATHER:-     Fair and bright. Very warm.
 
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.