Ngwagakete: Ngwagakete 1
Mengwagakgolo: Ngwagakgolo 9Ngwagakgolo 10Ngwagakgolo 11
Mengwagasome: 960s  970s  980s  – 990s –  1000s  1010s  1020s
Mengwaga: 994 995 996997998 999 1000

997 (CMXCVII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa boseswai ngwagengsome wa 990s, ngwaga wa bomasomesenyane šupa ngwagengkgolo wa Ngwagakgolo 10, le ngwaga wa bomakgolo senyane masomesenyane šupa ngwagengkete wa Ngwagakete 1.