Bismarck Archipelago. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/bismarck-archipelago
A group of volcanic islands and islets of Papua New Guinea in the southwest Pacific Ocean. Long inhabited by Papuan and Austronesian peoples, the islands were annexed by Germany (1884) and passed to Australia (1914) before being included in Papua New Guinea (1975).