After capturing St. Quentin Canal with a creeping barrage of fireâ126 shells for each 500 yards of German trench
over an eight-hour periodâthe Allies were able to successfully breach the Hindenburg Line on Sept29.
The offensive was driven ahead by Australian and U.S. troops, who attacked the heavily fortified town of Bellicourt with tank,
aircraft and artillery support. After 4 days of battle, with heavy losses on both sides, the Germans were forced to retreat