620
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 6 – Ngwagakgolo 7 – Ngwagakgolo 8 |
| Mengwagasome: | 590s 600s 610s – 620s – 630s 640s 650s |
| Mengwaga: | 617 618 619 – 620 – 621 622 623 |
620 (DCXX) ebile ngwagamolele wa go thoma ka Mokibelo, ngwaga wa pele ngwagengsome wa 620s, ngwaga wa bomasomepedi ngwagengkgolo wa Ngwagakgolo 7, le ngwaga wa bomakgolo tshela masomepedi ngwagengkete wa Ngwagakete 1.