1918: Australians in France - Glossary
"Australian and New Zealand Army Corps" This name was first used in Gallipoli in 1915, but eventually came to be used as slang to describe any Australian or New Zealand soldier- the "Anzac" soldiers. Today in Australia and New Zealand "Anzac Day" is celebrated every year on 25 April, to honour men and women who have served in all wars, and commemorate those who died while in service.
A military formation consisting at full strength of approximately 18,000 men, comprising 12 battalions, usually commanded by a major general. Australia eventually fielded 5 divisions in the First World War.