Major Canadian battles in World War 1 included: 1) The First Battle of Ypres in 1915, where 6035 Canadians suffered casualties in 48 hours defending a salient against German forces using artillery and chlorine gas. 2) The Battle of Beaumont Hamel in 1916, where 733 of 801 Newfoundlanders were killed or wounded in less than an hour during the opening attack of the Battle of the Somme. 3) The Battle of Vimy Ridge in 1917, where over 40,000 Canadians took the strategic ridge from German forces after a three week artillery barrage with 10,602 Canadians wounded and 3,598 killed.