The ancestors of Aboriginal Australians crossed the sea from Southeast Asia to the Sahul landmass at least 50,000 years ago, founding one of the world's oldest continuous cultures.
Around 3000 BCE, Austronesian-speaking peoples began migrating from Taiwan into the Philippines and Indonesia, eventually spreading across the Pacific and as far as Madagascar.
Bearers of the Lapita culture, known for their dentate-stamped pottery, settled islands from the Bismarck Archipelago to Fiji, Tonga and Samoa, laying the foundations of Polynesian societies.
Eastern Polynesian voyagers reached New Zealand by canoe, probably between about 1250 and 1300; their descendants developed Māori culture.
Dutch captain Willem Janszoon aboard the Duyfken charted the west coast of Cape York Peninsula, the first recorded European landing in Australia.
The Dutch navigator Abel Tasman became the first known European to reach Tasmania and New Zealand.
On his first voyage, Captain James Cook of HMS Endeavour landed at Botany Bay, then charted Australia's east coast and claimed it for Britain.
The explorer James Cook was killed in a clash with Hawaiians at Kealakekua Bay during his third voyage.
Arthur Phillip's eleven-ship convict fleet arrived at Sydney Cove and founded the penal colony of New South Wales, the first permanent European settlement in Australia.
Representatives of the British Crown and many Māori chiefs signed the Treaty of Waitangi, New Zealand's founding document; differences between its English and Māori texts remain debated.
A series of armed conflicts between the colonial government and Māori iwi, chiefly over land and sovereignty, which led to large confiscations of Māori land.
Gold discoveries in the colony of Victoria drew hundreds of thousands of immigrants, transforming Australia's population and economy.
New Zealand became the first self-governing country in the world to give women the right to vote in parliamentary elections.
Six British colonies united to form the Commonwealth of Australia, with Edmund Barton as its first prime minister.
The Australian and New Zealand Army Corps landed on the Gallipoli peninsula in the Allies' unsuccessful campaign against the Ottoman Empire; 25 April is now commemorated as Anzac Day.
The Imperial Japanese Navy launches a surprise attack on the US naval base at Pearl Harbor, Hawaii, bringing the United States into World War II.
Papua New Guinea gained independence from Australia, becoming one of the most linguistically diverse countries in the world.
The High Court of Australia rejected the doctrine of terra nullius and recognised Indigenous native title to land, in the case brought by Eddie Mabo.