977
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 9 – Ngwagakgolo 10 – Ngwagakgolo 11 |
| Mengwagasome: | 940s 950s 960s – 970s – 980s 990s 1000s |
| Mengwaga: | 974 975 976 – 977 – 978 979 980 |
977 (CMLXXVII) ebile ngwaga wa go thoma ka Laboraro, ngwaga wa boseswai ngwagengsome wa 970s, ngwaga wa bomasomešupa šupa ngwagengkgolo wa Ngwagakgolo 10, le ngwaga wa bomakgolo senyane masomešupa šupa ngwagengkete wa Ngwagakete 1.