terra nullius

Etymology
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Noun

 * 1)  Empty land; land not legally belonging to anyone; no man's land.
 * 2) * 1993,, ‘Welcome Speech to Conference on the Position of Indigenous People in National Constitutions’, in Heiss & Minter, Macquarie PEN Anthology of Aboriginal Literature, Allen & Unwin 2008, p. 146:
 * When Aboriginal people showed up which they inevitably did they had to be subjected, incarcerated or eradicated: to keep the myth of terra nullius alive.