557
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 5 – Ngwagakgolo 6 – Ngwagakgolo 7 |
| Mengwagasome: | 520s 530s 540s – 550s – 560s 570s 580s |
| Mengwaga: | 554 555 556 – 557 – 558 559 560 |
557 (DLVII) ebile ngwaga wa go thoma ka Mokibelo, ngwaga wa boseswai ngwagengsome wa 550s, ngwaga wa bomasomehlano šupa ngwagengkgolo wa Ngwagakgolo 6, le ngwaga wa bomakgolo hlano masomehlano šupa ngwagengkete wa Ngwagakete 1.