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Captain Cook taking possession of the Australian continent on behalf of the British Crown
https://australian.museum/learn/first-nations/unsettled/recognising-invasions/captain-cook-taking-possession/

Elder Waubin Richard Aken of the Kaurareg First Nations people points out that the famous image of Cook, inspired by readings of his journal entry, is based on the dubious claim that he landed on Tuined (Possession Island) with his party.

Not a discovery voyage
https://australian.museum/learn/first-nations/unsettled/recognising-invasions/not-a-discovery-voyage/

The HMB Endeavour’s voyage was originally commissioned as a scientific mission. When the British Admiralty (Royal Navy) found out where Cook was going, they took advantage of the opportunity to expand the British Empire’s interests in the Pacific.

Plans for a colony
https://australian.museum/learn/first-nations/unsettled/recognising-invasions/plans-for-a-colony/

Delve into historical records and learn how the decision was made to establish a colony in Australia.