Ngwagakete: Ngwagakete 2
Mengwagakgolo: Ngwagakgolo 19Ngwagakgolo 20Ngwagakgolo 21
Mengwagasome: 1950s  1960s  1970s  – 1980s –  1990s  2000s  2010s
Mengwaga: 1986 1987 198819891990 1991 1992

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.