The 8th Division was an infantry division of the Australian Army, formed during World War II as part of the all-volunteer Second AustralianImperial Force
formed in 1912, before being re-raised in Egypt as part of the FirstAustralianImperialForce in early 1916, for service during World War I. As part of the
Regiment 9th Battalion, Royal Australian Regiment Battalions of the AustralianImperialForce (AIF) were initially formed in the First World War as volunteer