100 Years Ago Today on 10 May 1917

​One hundred years ago on 10 May 1917
31st Battery, Canadian Field Artillery, Canadian Expeditionary Force had recently become a sub-unit of the 9th Canadian Field Artillery Brigade in the 3rd Canadian Division. The 9th Brigade war diary records:
Visibility poor. Owing to this fact both our and enemy Artillery were unusually inactive.
 
58th Battery, Canadian Field Artillery, Canadian Expeditionary Force was a sub-unit of the 14th Canadian Field Artillery Brigade in the 5th Canadian Division. The Division was training in England and the Brigade war diary records:
WITLEY – Reveille at 5, Retreat 7, Tattoo 9.30 In a ball game 53rd BY beat our 60th BATTY, 7-3. Lovely weather
 
5th Canadian Siege Battery, Canadian Artillery, Canadian Expeditionary Force war diary records:
SOUCHEZ – Battery proceeded on rest to DIVION being relieved by 1st Canadian Siege Battery.
 
The 15th Field Artillery Regiment RCA perpetuates the following sub units:
31st Battery, Canadian Field Artillery, Canadian Expeditionary Force,
58th 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.