Book excerpt: "Ninety years ago, Canadians defined who they were based on their region, province, culture and ethnic communities. Our national identity was little more than a vague notion. At that time, when Canada was still carving out its place on the world stage, our country was called to fight alongside the Allies during the First World War. History would remember the victories and courage of our soldiers, but if there was one battle that would forge our national identity, it was the Battle of Vimy Ridge"--Page [10].