Canada During WWI By xx.vivi.xx Aug 4, 1914 Declaration of War Period: Aug 4, 1914 to Jun 28, 1919 WWI Aug 22, 1914 War Measures Act Introduced Apr 22, 1915 The Second Battle of Ypres Jun 1, 1916 The Battle of Somme Apr 9, 1917 The Battle of Vimy Ridge Aug 28, 1917 Military Service Act Dec 9, 1917 Halifax Explosion Dec 17, 1917 Certain Women Were Allowed to Vote Apr 1, 1918 Anti-Conscription Riots Jun 28, 1919 Treaty of Versailles
