What is a Digger? The History Behind Australia's Most Iconic Military Term

It's one of the most recognisable words in Australian English. You hear it on the news, at dawn services, at RSL clubs, and in family conversations about grandparents who served. "He was a Digger." But where did the word come from? Why do Australians call their soldiers Diggers when the British say Tommy and the Americans say GI? And how did a mining term from the 1850s goldfields end up defining a nation's military identity?

The answer isn't a single moment. It's a thread that runs through 150 years of Australian history - from the goldfields of Ballarat to the trenches of the Western Front to the ceremonies we hold today.

The goldfields: where the word began

Before it meant a soldier, "digger" simply meant someone who dug. In Australia in the 1850s, that meant a gold miner. The Victorian gold rush brought hundreds of thousands of people to the diggings at Ballarat, Bendigo, and across the colony. The miners called themselves diggers, and the word carried a particular weight: these were people who worked with their hands, lived rough, and didn't defer to authority.

That last quality matters. In 1854, the diggers of the Eureka Stockade in Ballarat mounted an armed rebellion against the colonial government over unfair mining licences. The stockade was crushed within minutes, but the Eureka Rebellion became a founding story of Australian democracy - and the word "digger" became permanently associated with egalitarianism, self-reliance, and a refusal to be pushed around. These weren't just miners. They were people who stood up.

In New Zealand, "digger" carried a similar connotation. It referred to miners on the goldfields and to people who dug for kauri gum, a fossilised resin used in varnish and jewellery. The word was part of the working vocabulary of both countries well before anyone used it to describe a soldier.

The Boer War: soldiers who knew how to dig

The first military connection came during the Boer War (1899-1902). Many of the Australians who enlisted had backgrounds in mining, and they brought practical skills that proved immediately useful. At the Battle of Elands River in August 1900, a force of approximately 500 Australians, Rhodesians, and Canadians held a supply depot against a much larger Boer force for twelve days. The Australian defenders earned a particular reputation for their ability to hastily construct dugout defences in hard ground - skills that came directly from the goldfields.

The connection between the miner and the soldier was already forming. But the word "digger" wasn't yet being used as a general term for Australian soldiers. That would take another war.

The First World War: from Gallipoli to the trenches

When the Australian Imperial Force sailed for the war in 1914, the soldiers were "Australians" or, after the landing on 25 April 1915, part of the force that became known by its initials. The word "digger" didn't appear in military use until later.

There are several theories about the precise moment the word crossed from the goldfields into the trenches. One story traces it to the Gallipoli campaign itself. After the landing, General Sir Ian Hamilton wrote to General William Birdwood, commander of the Australian and New Zealand Army Corps, with a postscript: "You have got through the difficult business, now you have only to dig, dig, dig, until you are safe." Whether or not that message directly inspired the nickname is debated, but the instruction was accurate - digging was survival at Gallipoli, and it would be survival on the Western Front for the next three years.

When the AIF moved to the Western Front in France in March 1916, they entered a war defined by trenches. Trench systems had to be dug, maintained, deepened, connected, and rebuilt after bombardment. Saps had to be pushed forward. Tunnels had to be driven under enemy lines. The British used the term "sapper" for their engineers, but for the Australians and New Zealanders, the word that stuck was the one they already knew: digger.

The first recorded use of "digger" to mean an Australian or New Zealand soldier - rather than a miner - dates to 1916. By mid-1917, it was in wide use. Private Tudor Roberts wrote home from France: "The name Digger came from the Tommies, who think we Australians are all miners or cowboys." Charles Bean, Australia's official war historian, wrote that "it was at this stage that Australian soldiers came to be known, together with the New Zealanders, as the Diggers... the term had been occasionally heard before."

The word worked because it carried all its earlier meanings at once. It described what the soldiers literally did (dig trenches). It connected them to the goldfields and the Eureka tradition of egalitarianism. And it distinguished them from the British "Tommy" in a way that felt authentically Australian. Digger wasn't assigned by the army. It was adopted by the soldiers themselves.

Billy Hughes: "the Little Digger"

The word's power was already evident by 1918. Prime Minister Billy Hughes, who visited Australian troops in France, was nicknamed "the Little Digger" by the soldiers. Hughes was small in stature but formidable in temperament - he'd famously confronted the British government over Australia's interests at the Paris Peace Conference and had survived two bitterly divisive conscription referendums at home. The troops' nickname was affectionate and recognising: he was one of them.

After the war, Hughes would take his place at the Cenotaph in Sydney's Martin Place each year to watch the returned servicemen parade. After his death in 1952, it became customary to leave an empty chair with a slouch hat on it as a reminder of the man the troops called the Little Digger.

After the First World War: the Digger legend

The word didn't fade after 1918. It became central to how Australia understood its soldiers and, by extension, itself. The Digger took on the qualities previously attributed to the bushman in Australian folklore: endurance, courage, ingenuity, good humour, mateship, and a levelling instinct that rejected rank and pretension.

W.H. Downing's Digger Dialects, published in 1919, was one of the first glossaries of Australian military slang. It recorded the language the Diggers invented and adapted during the war - a language that reflected their identity as distinctly Australian soldiers. The word "digger" itself was the title and the frame.

During the Second World War, the term continued in use. Soldiers in the 2nd AIF were Diggers just as their fathers had been in the 1st AIF. The word carried across Korea, Vietnam, and every subsequent conflict. It's still used today by the Australian Defence Force, the media, and the public.

Digger and Kiwi: a shared beginning, separate paths

During WWI, both Australians and New Zealanders called each other "Digger". But over time the word became more closely associated with Australians, while New Zealanders became known as "Kiwis". The distinction was partly imposed from outside: British soldiers during WWI used "Digger" specifically for Australians and "Kiwi" for New Zealanders. Both countries accepted the terms, and they stuck.

Today, "Digger" is almost exclusively associated with Australian military service, though the shared origin remains acknowledged in the commemorative traditions of both nations.

What "Digger" means today

The word has outlived every conflict it's been used in. It appears at dawn services, in RSL clubs, in parliamentary speeches, and in family conversations. It's used by journalists reporting on Australian military operations. It's the word grandchildren use when they talk about the service records they've found in the National Archives.

What makes it endure is that it was never an official designation. No military order created it. No government named it. It was a word that soldiers chose for themselves, and that choice carried meaning: we are egalitarian, we work hard, we look after each other, and we don't take ourselves too seriously. That's a powerful identity, and it's why the word still resonates more than a century after it first appeared in the trenches.

It's also why we named our product Decode My Digger. Because behind every service record in the National Archives is a person who was, in the fullest sense of the word, a Digger. And their story deserves to be understood.

Frequently asked questions

What does "Digger" mean in Australian military culture?

Digger is an Australian and New Zealand military slang term for soldiers, particularly those who've seen active service. It originated during World War I, becoming widely used on the Western Front around 1916-17. The term carries connotations of egalitarianism, mateship, endurance, and courage. It's still used today to refer to Australian soldiers and veterans.

Where did the word "Digger" come from?

The word has multiple origins that reinforced each other. "Digger" was used in Australia from the 1850s to mean a gold miner, and carried egalitarian connotations from the Eureka Stockade rebellion of 1854. During the Boer War, Australian soldiers with mining backgrounds earned a reputation as skilled diggers. In WWI, the constant trench-digging on the Western Front made the term a natural fit.

When did Australian soldiers start being called Diggers?

The first recorded military use was in 1916. It became widely used during 1917 on the Western Front. Private Tudor Roberts wrote home from France that "the name Digger came from the Tommies, who think we Australians are all miners or cowboys."

Is "Digger" used for New Zealand soldiers too?

Originally yes - both Australians and New Zealanders used it during WWI. Over time, it became more closely associated with Australians, while New Zealanders became "Kiwis". British soldiers during WWI were the ones who drew the distinction, calling Australians "Diggers" and New Zealanders "Kiwis".

Why was Billy Hughes called "the Little Digger"?

Prime Minister Billy Hughes earned the nickname from troops he visited in France during WWI. He was small in stature but fierce in temperament. After his death in 1952, it became customary to leave an empty chair with a slouch hat at Sydney's Cenotaph during the annual parade in his memory.