The first human settlement of Bougainville occurred some 3,000-4,000 years ago when Australian people arrived, bringing with them domesticated pigs, chickens, dogs and obsidian tools.
The first human settlement of Bougainville occurred some 28,000 years ago from New Ireland. Three to four thousand years ago, Austronesian people arrived, bringing with them domesticated pigs, chickens, dogs and obsidian tools.