6th Division (Australia)

6th Division (Australia)
Frank Hurley · Public domain · source
Unit name	6th Division (Australia)
Dates	1917–1919; 1939–1945
Country	Australia
Branch	Australian Army
Type	Infantry
Size	Division
Notable commanders	Charles Rosenthal, George Vasey, Henry Wynter

6th Division (Australia)

The 6th Division was an Australian Army infantry formation raised during the First World War and reconstituted for the Second World War, serving on the Western Front, in the Middle East, and in the Pacific. It fought in major actions during the Somme offensive, the Hundred Days Offensive, the North African and Syrian campaigns, and later in New Guinea and Borneo, contributing to operations alongside British, French, United States, and Dutch forces. The division's commanders and staff worked with corps and army headquarters to coordinate with allied formations, and its battles influenced postwar Australian defence policy and army organization.

Formation and Early History

Formed in 1917 from volunteers and militia personnel, the division assembled in the United Kingdom, integrating brigades and support units drawn from New South Wales, Queensland, Victoria, and South Australia. Under commanders such as Charles Rosenthal, it incorporated units previously engaged at Gallipoli and in Egypt, linking battalions that had fought in the ANZAC campaigns with newly raised infantry, machine gun, artillery, and engineer units. The division trained on Salisbury Plain and at camps used by the British Expeditionary Force before transfer to the continent, coordinating with entities like II Anzac Corps and liaising with corps-level formations from the British Army and the Royal Flying Corps.

World War I Service

Deployed to the Western Front, the division entered the line during the German spring offensive aftermath and saw action during the Allied counter-offensives. It participated in the Second Battle of the Somme (1918), supporting attacks alongside the British Third Army and elements of the Canadian Expeditionary Force. Units from the division fought in the Battle of Amiens (1918), the capture of Mont St. Quentin, and the subsequent Hundred Days Offensive that pushed the German Empire back to the Hindenburg Line. Infantry battalions coordinated with divisional artillery, Royal Engineers sections attached to the division, and the Royal Army Medical Corps equivalents for casualty evacuation and trench repair. The division’s actions were conducted in concert with formations commanded by figures such as John Monash and linked to operations influenced by strategic decisions at the Allied Supreme War Council.

Interwar Period and Reorganization

After the armistice, the division was demobilised and disbanded amid the postwar reduction of expeditionary forces; personnel returned to Australia and to militia formations in the states of New South Wales, Queensland, Victoria, and South Australia. During the 1920s and 1930s it existed only as a paper formation in the Citizen Forces system, with lineage perpetuated by militia brigades and battalions during peacetime reorganisation. The period saw the rise of military thinkers and planners influenced by lessons from the Western Front, including doctrine debates involving the Royal Military College, Duntroon and staff colleges in United Kingdom and Australia. Political decisions by federal ministers and defense committees adjusted funding, affecting the maintenance of divisional headquarters, artillery regiments, and engineer squadrons.

World War II Operations

Re-raised in 1939 following the outbreak of the Second World War, the division formed part of the Second Australian Imperial Force for overseas service under commanders such as Thomas Blamey-appointed staff officers and later corps assignments. Initially deployed to the Middle East, the division fought in the North African campaign against Italian Libya and the German Afrika Korps, participating in operations around Bardia and Gaza, and later in the Syria–Lebanon campaign against Vichy French forces. Elements coordinated with the British Eighth Army and air support from the Royal Air Force.

With the Pacific war escalating after Pearl Harbor and the fall of Singapore, the division was redeployed to meet Japanese advances, taking part in jungle warfare during the New Guinea campaign and amphibious operations in Borneo. Battalions adapted to jungle training techniques influenced by experience at Kokoda Track and collaborated with United States Army units and Dutch colonial forces for island-hopping operations. Logistic and medical challenges required coordination with the Royal Australian Navy for transport and with Allied supply chains to maintain offensive tempo against Imperial Japanese Army positions.

Postwar Disbandment and Legacy

Following Japan’s surrender and the end of hostilities, the division was progressively disbanded as personnel were demobilised and transferred to occupation duties, repatriation units, or returned to civilian life. Veterans influenced postwar veteran affairs administered by bodies like the Repatriation Commission and contributed to veterans’ organisations such as the Returned and Services League of Australia. The division’s battle honours and unit histories were preserved in regimental museums and archives associated with the Australian War Memorial, and its operational lessons informed Australian Army doctrine during the Cold War, impacting training at institutions like the Royal Military College, Duntroon and the development of reserve formations. Monuments, rolls of honour, and histories commemorated the division’s service in campaigns linked to the Western Front (World War I), the North African Campaign, the Syria–Lebanon Campaign (1941), and the New Guinea campaign, ensuring its place in Australian military heritage.

Category:Infantry divisions of Australia Category:Military units and formations established in 1917 Category:Military units and formations disestablished in 1945