Canada's involvement in World War I marked a pivotal moment in its history. From 1914 to 1918, the nation transformed from a British dominion to an emerging global player, contributing significantly to the Allied war effort on multiple fronts. The war reshaped Canadian society, politics, and economy. It accelerated industrialization, expanded women's roles, and intensified debates over conscription and national identity. Canada's battlefield successes, particularly at Vimy Ridge, fostered a stronger sense of nationhood and international recognition.