The 11th Battalion was an Australian Army battalion that was among the first infantry units raised during World War I for the First Australian Imperial Force. It was the first battalion recruited in Western Australia, and following a brief training period in Perth, the battalion sailed to Egypt where it undertook four months of intensive training. In April 1915 it took part in the invasion of the Gallipoli Peninsula, landing at Anzac Cove. In August 1915 the battalion was in action in the Battle of Lone Pine. Following the withdrawal from Gallipoli, the battalion returned to Egypt where it was split to help form the 51st Battalion. In March 1916, the battalion was deployed to the Western Front in France and Belgium where it took part in trench warfare until the end of the war in November 1918.
The 17th Battalion was an infantry battalion of the Australian Army. Although its numerical designation was bestowed upon it during World War I, the 17th Battalion can trace its lineage back to 1860, when a unit of the New South Wales Volunteer Rifles was raised in St Leonards, New South Wales. This unit has since been disbanded and reformed a number times. Through its links with the units of the colonial New South Wales defence force, the battalion's history includes service in the Sudan and South Africa. During World War I, the 17th Battalion was raised for overseas service as part of the Australian Imperial Force. Attached to the 5th Brigade, 2nd Division, the battalion was raised in 1915 and sent to Egypt initially, before taking part in the fighting at Gallipoli against the Turks. Later the battalion was sent to the Western Front in France and Belgium, where it served in the trenches as part of the Australian Corps. Throughout the course of the war, the battalion won numerous battle honours and its members received many individual awards, however, at the end of the war the battalion was disbanded in April 1919.
The 19th Battalion was an infantry battalion of the Australian Army. Although the unit's numerical designation was bestowed upon it during World War I, the unit can trace its origins back to 1860 when a Volunteer Rifle corps was raised in South Sydney. During World War I, the 19th Battalion was raised as a unit of the Australian Imperial Force, attached to the 5th Brigade, of the 2nd Division. The unit was formed in 1915 and was first sent to Gallipoli where it fought against the Turks, before being withdrawn from the peninsula and being sent to France in early 1916, where it served in the trenches along the Western Front. Over the next two years the battalion fought in many major battles and won numerous battle honours. In April 1918, it took part in defending against the German Spring Offensive, before the Allies launched their own last-ditch effort as part of the Hundred Days Offensive. The battalion was disbanded in October 1918 due to manpower shortages in the AIF and most of its men were sent to reinforce the other three battalions of the 5th Brigade.
The 20th Battalion was an infantry battalion of the Australian Army. Raised in early 1915 as part of the Australian Imperial Force, it was attached to the 5th Brigade, 2nd Division that served during World War I. The battalion first saw action during the Gallipoli campaign, before being evacuated in December 1915. After that the 20th Battalion was sent to France where they served in the trenches along the Western Front. Over the course of the next two years, they fought in many major battles, including the battles of the Hundred Days Offensive at the end of the war. The 20th Battalion's last engagement was at Montbrehain in October 1918. Following the end of the war, it was disbanded in April 1919. It was later re-raised in 1921, although it was amalgamated in 1929 due to manpower shortages. During World War II the battalion was briefly re-raised and carried out garrison duties in Australia.
The 13th Battalion was an infantry battalion of the Australian Army. Originally raised for the 1st Australian Imperial Force during the First World War, it was formed just six weeks after the start of the war. Along with the 14th, 15th and 16th Battalions which were recruited from New South Wales, it formed the 4th Brigade. The battalion saw service initially at Gallipoli before being transferred to France in 1916. For the next two years it fought in the trenches of the Western Front, earning numerous battle honours in the process.
The 18th Battalion was an infantry battalion of the Australian Army. During World War I, the battalion was raised in 1915 as part of the Australian Imperial Force, attached to the 5th Brigade, of the 2nd Division. It was sent initially to Gallipoli, where it suffered many casualties before it was withdrawn from the line and sent to France and Belgium, where it served at the Western Front as part of the Australian Corps and took part in most of the major battles between 1916 and 1918. The battalion's last engagement of the war was at Montbrehain in October 1918 and it was disbanded in April 1919.
The 45th Battalion was an infantry battalion of the Australian Army. Raised for service during World War I, the battalion served in the trenches on the Western Front in France and Belgium from mid-1916 until the end of hostilities in November 1918. Following this, it was disbanded in May 1919. Later, in 1921, the battalion was re-raised as a part-time unit of the Citizens Force, based in New South Wales. The battalion remained on the order of battle until 1942, when it was merged with the 1st Battalion as part of a force reduction that was undertaken at that time in response to an over mobilisation of the Australian military in the early part of World War II. In 1948, the battalion was re-raised again and remained on the order of battle until 1960 when it was absorbed into the Royal New South Wales Regiment.
The 2nd Health Brigade (2HB) is an Australian Army brigade. The 2nd Brigade was formed in 1903 as a militia infantry formation based in Victoria, the brigade later served during the First World War as part of the Australian Imperial Force, allocated to the 1st Division. During the war, the 2nd Brigade took part in the fighting at Gallipoli, including the Battle of Krithia where it lost almost a third of its strength. Later they took part in the Battle of Lone Pine before being withdrawn back to Egypt in December 1915. Following this the brigade was transferred to the Western Front in France and Belgium where, between March 1916 and the armistice in November 1918, they took part in most of the major Allied operations.
The 10th Brigade was an infantry brigade of the Australian Army. Originally formed in 1912 as a Militia formation, the brigade was re-raised in 1916 as part of the expansion of the Australian Imperial Force following the end of the Gallipoli campaign. It subsequently saw service on the Western Front in France and Belgium during World War I. After the war it was disbanded but was re-raised in 1921 as a part-time formation based in the state of Victoria. During World War II the brigade was used in a garrison role in Australia before being disbanded in 1942.
The 27th Battalion was an infantry battalion of the Australian Army. It was initially raised in 1915 as part of the all-volunteer First Australian Imperial Force for service during World War I. During the conflict, the battalion saw action briefly at Gallipoli before later fighting on the Western Front between 1916 and 1918. It was disbanded in 1919, but was re-raised in 1921 as part of the Citizens Force, which later became the "Militia". During World War II the battalion was used mainly in a garrison role until the last year of the war when it was committed to the fighting against the Japanese during the Bougainville campaign. Following the end of hostilities it was disbanded in May 1946. Between 1948 and 1965 the battalion was re-raised and disbanded a number of times before eventually becoming part of the Royal South Australia Regiment. It was disbanded for a final time in 1987, when it was amalgamated with the 10th Battalion, Royal South Australia Regiment to form the 10th/27th Battalion, Royal South Australia Regiment.
The 2/2nd Machine Gun Battalion was an infantry support unit of the all-volunteer Second Australian Imperial Force that was raised for service overseas during the Second World War. Formed in mid-1940 in Sydney, from personnel drawn from the states of Queensland and New South Wales, the battalion was allocated to the Australian 9th Division. After completing training in Australia, the battalion operated in the Middle East between early 1941 and early 1943, seeing action against German and Italian forces at the First and Second Battles of El Alamein, and undertaking garrison duties in Syria as part of the Allied garrison that was established there after the Syria–Lebanon campaign.
The 56th Battalion was an infantry battalion of the Australian Army. It was originally raised in 1916 for service during the World War I and took part in the fighting in the trenches of the Western Front in France and Belgium before being amalgamated with the 54th Battalion in late 1918 following the German spring offensive reduced the numbers in both battalions. After the war, the battalion was re-raised as a part-time unit in New South Wales. During World War II the battalion was mobilised and undertook garrison duties in Australia until it was disbanded in 1944. It was briefly re-raised in 1956, but was disbanded the following year and its personnel used to re-raise the 4th Battalion, which later became part of the Royal New South Wales Regiment.
The 2nd Pioneer Battalion was an Australian infantry and light engineer unit raised for service during the First World War as part of the all volunteer Australian Imperial Force (AIF). Formed in Egypt in March 1916, the battalion subsequently served on the Western Front in France and Belgium, after being transferred to the European battlefields shortly after its establishment. Assigned to the 2nd Division, the 2nd Pioneer Battalion fought in most of the major battles that the AIF participated in between mid-1916 and the end of the war in November 1918. It was subsequently disbanded in early 1919.
The 1st Pioneer Battalion was an Australian infantry and light engineer unit raised for service during the First World War as part of the all volunteer Australian Imperial Force (AIF). Formed in Egypt in March 1916, the battalion subsequently served on the Western Front in France and Belgium, after being transferred to the European battlefields shortly after its establishment. Assigned to the 1st Division, the 1st Pioneer Battalion fought in most of the major battles that the AIF participated in between mid-1916 and the end of the war in November 1918. It was subsequently disbanded in early 1919.
The 4th Pioneer Battalion was an Australian infantry and light engineer unit raised for service during the First World War as part of the all volunteer Australian Imperial Force (AIF). Formed in Egypt in March 1916, the battalion subsequently served on the Western Front in France and Belgium, after being transferred to the European battlefields shortly after its establishment. Assigned to the 4th Division, the 4th Pioneer Battalion fought in most of the major battles that the AIF participated in between mid-1916 and the end of the war in November 1918. It was subsequently disbanded in early 1919.
The 1st Machine Gun Battalion was an infantry support unit of the Australian Army that was raised for service during World War I as part of the all volunteer Australian Imperial Force. It was one of five such units raised as part of the AIF during the war. Formed in March 1918, the battalion consisted of four machine gun companies, which had previously existed as independent companies assigned mainly at brigade level. The battalion consisted of 64 medium machine guns, and took part in the final stages of the war, seeing action during the Allied defensive operations during the German spring offensive and then the Allied Hundred Days Offensive, which finally brought an end to the war. The battalion was disbanded in mid-1919 during the demobilisation of the AIF.
The Australian Machine Gun Corps was a corps of the Australian Army which was formed for service during World War I. It was established in early 1916 as part of a reorganisation of the Australian Imperial Force (AIF) in Egypt as preparations were made to transfer the bulk of the AIF's infantry divisions to Europe to participate in the Western Front fighting. Initially, the corps was established into company or squadron sized elements, with a total of 20 companies being raised for service in Europe and four squadrons for service with the Australian Light Horse in the Middle East. In early 1918, the companies deployed to the Western Front were reorganised into five battalions, which were each assigned to an infantry division for defensive and offensive duties. These units were disbanded in mid-1919 following the end of hostilities.
The 5th Machine Gun Battalion was an infantry support unit of the Australian Army. Originally formed in March 1918 for service during World War I as part of the all volunteer Australian Imperial Force, it was one of five such units raised as part of the AIF during the war. The battalion consisted of four machine gun companies, which had previously existed as independent companies assigned mainly at brigade level. The battalion took part in the final stages of the war, seeing action during the Allied defensive operations during the German spring offensive and then the Allied Hundred Days Offensive, which finally brought an end to the war. The battalion was disbanded in mid-1919 during the demobilisation of the AIF following the conclusion of hostilities. During World War II, the battalion was re-raised as part of the Militia in September 1942, and undertook garrison duties in the Torres Strait, until it was disbanded in May 1944.
The 4th Machine Gun Battalion was an infantry support unit of the Australian Army. Originally formed in March 1918 for service during World War I as part of the all volunteer Australian Imperial Force, it was one of five such units raised as part of the AIF during the war. The battalion consisted of four machine gun companies, which had previously existed as independent companies assigned mainly at brigade level. The battalion took part in the final stages of the war, seeing action during the Allied defensive operations during the German spring offensive and then the Allied Hundred Days Offensive, which finally brought an end to the war. The battalion was disbanded in mid-1919 during the demobilisation of the AIF following the conclusion of hostilities.
The 3rd Machine Gun Battalion was an infantry support unit of the Australian Army. Originally formed in March 1918 for service during World War I as part of the all volunteer Australian Imperial Force, it was one of five such units raised as part of the AIF during the war. The battalion consisted of four machine gun companies, which had previously existed as independent companies assigned mainly at brigade level. The battalion took part in the final stages of the war, seeing action during the Allied defensive operations during the German spring offensive and then the Allied Hundred Days Offensive, which finally brought an end to the war. The battalion was disbanded in mid-1919 during the demobilisation of the AIF following the conclusion of hostilities.
