100 Years Ago Today on 20 July 1917

​One hundred years ago on 20 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:
There was a considerable amount of barraging fire carried out by the enemy. It has been noticed that most of the enemy’s Counter-Battery shoots, lately, seem to have been done with balloon observation.
 
3rd Canadian Divisional Artillery war diary records:
CHATEAU DE LA HAIE – Weather was showery during the morning, visibility becoming fair in the afternoon. Enemy planes were over our lines many times during the day, and enemy balloons were up in the afternoon, when enemy artillery carried out several shoots on our batteries in vicinity of LA CHAUDIERE. Our artillery was active on trench destruction, wire cutting and back country work.
Ammunition Expended. A:541. AX 613. BX 601. Guns in Action. 84 - 18.pdrs. 38. 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 - Fired 170 rounds on Trenches in T4a6.9 to Ns4o8.0 to N8k07.3e also 10 rounds concentration on SALLAUMINES.
 
1st Canadian Heavy Artillery Group war diary records:
Cabaret Rouge – This period was fairly quiet. Trench and Counter Battery programmes were carried out daily as per attached reports. Our observation balloons were hit by enemy shrapnel on several occasions and occupants forced to descend by parachutes.
 
General Officer Commanding, Royal Artillery, Canadian Corps war diary records:
In the Field - WEATHER:-      Mainly fair & bright.
 
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.