621
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 6 – Ngwagakgolo 7 – Ngwagakgolo 8 |
| Mengwagasome: | 590s 600s 610s – 620s – 630s 640s 650s |
| Mengwaga: | 618 619 620 – 621 – 622 623 624 |
621 (DCXXI) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa bobedi ngwagengsome wa 620s, ngwaga wa bomasomepedi tee ngwagengkgolo wa Ngwagakgolo 7, le ngwaga wa bomakgolo tshela masomepedi tee ngwagengkete wa Ngwagakete 1.