February 28 - WWI: Canadian troops launch the first trench raid of the war; by the end of the conflict Canadian troops will be regarded as the experts at this manoeuvre
April 22 - WWI: In the Second Battle of Ypres Canadian forces bear the brunt of the first chemical weapons attack of the war. They devise makeshift gas masks of urine-soaked rags and hold their ground
May 12 - Tobias Norris becomes premier of Manitoba, replacing Sir Rodmond Roblin
September 13 - WWI: with the arrival of the 2nd Canadian Division a separate Canadian Corps is created
December 15 - William Bowser becomes premier of British Columbia, replacing Richard McBride
WWI: Many Canadian soldiers grow upset at the inferior quality of their Ross Rifles