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Introduction

Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It has a total area of 7,688,287 km2 (2,968,464 sq mi), making it the sixth-largest country in the world and the largest in Oceania. Australia is the world's flattest and driest inhabited continent. It is a megadiverse country, and its size gives it a wide variety of landscapes and climates including deserts in the interior and tropical rainforests along the coast.
The ancestors of Aboriginal Australians began arriving from Southeast Asia 50,000 to 65,000 years ago, during the Last Glacial Period. By the time of British settlement, Aboriginal Australians spoke more than 250 distinct languages and had one of the oldest living cultures in the world. Australia's written history commenced with Dutch exploration of most of the coastline in the 17th century. British colonisation began in 1788 with the establishment of the penal colony of New South Wales. By the mid-19th century, most of the continent had been explored by European settlers and five additional self-governing British colonies were established, each gaining responsible government by 1890. The colonies federated in 1901, forming the Commonwealth of Australia. This continued a process of increasing autonomy from the United Kingdom, highlighted by the Statute of Westminster Adoption Act 1942, and culminating in the Australia Acts of 1986.
Australia is a constitutional monarchy with a parliamentary democracy, and a federation comprising six states and ten territories. Its population of almost 28 million is highly urbanised and heavily concentrated on the eastern seaboard. Canberra is the nation's capital, while its most populous cities are Sydney and Melbourne, each with a population of more than five million. Australia's culture is diverse, and the country has one of the highest foreign-born populations in the world. It has a highly developed economy and one of the highest per capita incomes globally. Its abundant natural resources and well-developed international trade relations are crucial to the country's economy. It ranks highly for quality of life, health, education, economic freedom, civil liberties and political rights.
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The Tasmanian devil (Sarcophilus harrisii; palawa kani: purinina) is a carnivorous marsupial of the family Dasyuridae. It was formerly present across mainland Australia, but became extinct there around 3,500 years ago; it is now confined to the island of Tasmania. The size of a small dog, the Tasmanian devil became the largest carnivorous marsupial in the world following the extinction of the thylacine in 1936. It is related to quolls, and distantly related to the thylacine. It is characterised by its stocky and muscular build, black fur, pungent odour, extremely loud and disturbing screech, keen sense of smell, and ferocity when feeding. The Tasmanian devil's large head and neck allow it to generate among the strongest bites per unit body mass of any extant predatory land mammal. It hunts prey and scavenges on carrion. (Full article...)
Selected biography -
Sandra Anne Morgan (born 6 June 1942), also known by her married name Sandra Beavis, or as Sandra Morgan-Beavis, is an Australian former freestyle swimmer who was part of the gold medal-winning team in the 4×100-metre freestyle relay at the 1956 Summer Olympics in Melbourne. At the age of 14 years and 6 months, she became the youngest Australian to win an Olympic gold medal, a record that was broken by Arisa Trew at the 2024 Paris Olympics. (Full article...)
Did you know (auto-generated) -
- ... that Jack Fitzgerald was "father" of the South Australian House of Assembly?
- ... that Voltaire Molesworth spent part of his early childhood in a utopian socialist colony in Paraguay?
- ... that Australia-born rugby union player Jason Jones-Hughes was the subject of a protracted legal battle over his international eligibility after Wales called him up for the 1999 Rugby World Cup?
- ... that Dan Bull was a keyboardist for Eskimo Joe before he was elected to the Western Australian Legislative Assembly?
- ... that Holly Ringland wrote her second book while stuck in Australia for three years during the COVID-19 pandemic?
- ... that the Pacific Australia Labour Mobility scheme has been criticised for placing workers at risk of modern slavery?
- ... that Tupou VI was crowned by D'Arcy Wood, an Australian, in order to respect the tradition of native Tongans not touching the king's head?
- ... that Australian military chaplain Andrew Gillison took up arms to snipe at Turkish soldiers in Gallipoli?
In the news
- 17 December 2025 – Terrorism in Australia
- 2025 Bondi Beach shooting
- The surviving gunman of the attack on Bondi Beach, Australia, is charged with 59 offences, including 15 counts of murder and one count of committing a terrorist act. (BBC News)
- 14 December 2025 – 2025 Bondi Beach shooting
- Two gunmen open fire during a Hanukkah celebration at Bondi Beach in Sydney, Australia, killing 15 people and leaving 42 others injured. One perpetrator is killed, while the other is arrested. Two bombs are found at the scene and detonated by police. (News.au) (Al Jazeera)
- 9 December 2025 –
- Australia's Online Safety Amendment takes effect, age-restricting social media sites such as Facebook, Twitter (X), TikTok, and YouTube, as well as accounts on the said sites registered to users under the age of 16. (CNN)
- 7 December 2025 –
- A Fire and Rescue NSW firefighter is killed and dozens of homes are destroyed as bushfires spread across parts of New South Wales and Tasmania, Australia. (Reuters)
- 6 December 2025 – International sanctions against Afghanistan
- Australia imposes economic sanctions and travel bans on four Afghan government officials over their involvement in human rights violations, particularly the Taliban's treatment of women. (Reuters)
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On this day

- 1894 – South Australia is the first colony to give women equal franchise with men.
- 1902 – The mayors of Sydney and Melbourne are conferred the title of Lord Mayor.
- 1903 – The first train runs from Rockhampton to Brisbane.
- 1952 – Entertainer Frankie J. Holden is born.
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WikiProject
Consider joining WikiProject Australia, a WikiProject dedicated to improving Wikipedia's coverage of topics related to Australia. The project page and its subpages contain suggestions on formatting and style of articles, which can be discussed at the project's notice board. To participate, simply add your name to the project members page.
As of 18 December 2025, there are 211,815 articles within the scope of WikiProject Australia, of which 599 are featured and 926 are good articles. This makes up 2.98% of the articles on Wikipedia, 5.18% of all featured articles and lists, and 2.15% of all good articles (see WP:AUSFG). Including non-article pages, such as talk pages, redirects, categories, etc., there are 550,504 pages in the project.
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