[1] It was established on August 24, 1914, in Ottawa, Ontario, Canada, as Automobile Machine Gun Brigade No.

[2] The unit played a significant part in halting the major German spring offensive of March 1918, and in the final Hundred Days Offensive when it was part of the Canadian Independent Force (CIF) commanded by Brutinel.

Autocar also supplied six unarmoured support vehicles, four "roadsters" for the brigade's officers, and an ambulance.

With the new unit Brutinel's CIF consisted of the 1st and 2nd Motor Machine Gun Brigade (each of 5x8 gun batteries), Canadian Corps Cyclist Battalion, one section of medium trench-mortars mounted on lorries (plus an assumed wireless and medical support).

Canadian historian John A. English points out that this "was the first mechanized formation in the Commonwealth armies and the forerunner of the armoured division.