100 Years Ago Today on 9 July 1917

One hundred years ago on 9 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:
Today passed without event.
 
3rd Canadian Divisional Artillery war diary records:
CHATEAU DE LA HAIE – No aeroplanes observed on account of poor visibility, except in the late afternoon, when it became clear for a short time, and our machines came out in force. Artillery normal on both sides. Considerable movement was noticed in enemy lines and fired on by our Batteries.
Ammunition Expended. A:1481. AX 1156 BX 1214. BCBR.210 Guns in Action. 85. 18.pdrs. 37. 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:
Day quiet, no firing.
 
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – Carried out CCHA Operation Order No. 79. Day Rainy, visibility bad. Hostile plane attacked observation balloon over Neuvill St. VAAST.
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - WEATHER:-          Unsettled with further rain – 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.