March 1 - Harlan Brewster, Premier of British Columbia, dies in office
March 6 - John Oliver becomes premier of British Columbia
March 30 - C Squadron of Lord Strathcona's Horse conducts a cavalry charge against the Germans at Moreuil Wood. The squadron suffers atrocious casualties, but the action is one of the keys of halting the German advance in Operation Michael. Lieutenant Gordon Flowerdew will be awarded the Victoria Cross posthumously.
