How many Canadian divisions were there at Vimy Ridge?

At the Battle of Vimy Ridge in April 1917, four Canadian divisions participated: the 1st, 2nd, 3rd, and 4th Divisions of the Canadian Expeditionary Force. This marked the first time all four divisions fought together as a unified force, contributing to the significant Canadian victory at the ridge. Their coordinated efforts and innovative tactics were pivotal in overcoming the challenging German defenses.