The Battle of Mont Saint-Quentin was a crucial engagement in late August 1918 during the final phase of World War I known as the Hundred Days Offensive. As the allies prepared to launch extensive operations against the German forces, the Australian Corps was tasked with seizing the well-fortified Mont Saint-Quentin, which guarded the crossing over the Somme River. Under the command of Lieutenant General John Monash, the Australian troops undertook meticulous planning for the attack. They employed innovative tactics, including the extensive use of artillery and coordinated infantry assaults, to overcome strong German defenses. The assault demonstrated the effectiveness of combined arms and highlighted the evolving nature of warfare during this period.

On the early morning of August 31, 1918, the attack commenced with a heavy artillery bombardment that softened enemy positions. The Australians swiftly advanced, facing fierce resistance but effectively employing flanking maneuvers that led to breakthroughs in the German lines. By the end of the day, Mont Saint-Quentin had been firmly secured by Australian forces. This victory was significant not only for its military implications but also for the morale of the Allied troops, fostering a sense of confidence and momentum as they pressed further into enemy territory.

The success at Mont Saint-Quentin was part of a larger strategy aimed at breaking the stalemate that had characterized warfare on the Western Front, leading to decisive victories in succession. This engagement also underscored the growing reputation of the Australian troops as effective combatants in modern warfare, which would be further solidified in subsequent battles. The operational lessons learned would influence military tactics in the years to follow.