The Coniston massacre, August-October 1928,  was the last known officially sanctioned massacre of Indigenous Australians and one of the last events of the Australian Frontier Wars. Between 31 and 200 Indigenous Australians were killed. The Wikipedia article is very well sourced.

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Regularly features articles relevant to First Nations history, the Voice and Frontier Wars

This article looks at the Frontier Wars that occurred during the invasion and colonisation of what we now call ‘Australia’. We will discuss acts of oppression and violence in some detail against our people and there will be images and videos depicting the conflict. Children should speak to a trusted adult before reading.

The Eumeralla Wars were the violent encounters over the possession of land between British colonists and Gunditjmara Aboriginal people in what is now called the Western District area of south west Victoria.

Australia was not peacefully settled; it was taken by force through strategic, political and military campaigns. The early colony was militarised to protect it from foreign attacks, to maintain civil order over the convict population, and to suppress Aboriginal resistance against colonial interests. Defining the decades of armed, violent conflicts between sovereign First Nations and the colonists as “wars”, is often contested. However, the historical records from this period included this specific term to describe events on the frontier. The ongoing refusal to recognise this history of First Nations warriors and their adversaries denies them the memory, and the respect, they deserve.