20260923-0 Ngalakgan 2010-01-01 2026-04-28 1950-05-09 NIG 2012-06-27 2011-10-06 Ngalakgan Ngalakgan is an extinct Australian Aboriginal language of the Ngalakgan people. It has not been fully acquired by children since the 1930s. It is one of the Northern Non-Pama–Nyungan languages formerly spoken in the Roper river region of the Northern Territory. It is closely related to Rembarrnga (rmb). Both are classified within the Gunwinyguan language family. nig nig NIG false NIG 1950-05-09 NIG