278
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 2 – Ngwagakgolo 3 – Ngwagakgolo 4 |
| Mengwagasome: | 240s 250s 260s – 270s – 280s 290s 300s |
| Mengwaga: | 275 276 277 – 278 – 279 280 281 |
278 (CCLXXVIII) ebile ngwaga wa go thoma ka Labobedi, ngwaga wa bosenyane ngwagengsome wa 270s, ngwaga wa bomasomešupa seswai ngwagengkgolo wa Ngwagakgolo 3, le ngwaga wa bomakgolo pedi masomešupa seswai ngwagengkete wa Ngwagakete 1.