1989 (MCMLXXXIX) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bolesome ngwagengsome wa 1980s, ngwaga wa bomasomeseswai senyane ngwagengkgolo wa Ngwagakgolo 20, le ngwaga wa bomakgolo senyane masomeseswai senyane ngwagengkete wa Ngwagakete 2.