The Battle of Hamel took place on July 4, 1918, during World War I. It was a significant military engagement involving Australian and American forces against the German army. The battle aimed to capture the town of Hamel in northern France, which was strategically important for the Allies. Led by General John Monash, the operation was notable for its use of coordinated tactics, including artillery, infantry, and tanks. The successful assault resulted in the capture of Hamel and demonstrated the effectiveness of combined arms warfare, contributing to the overall momentum of the Allied forces in the war.