821
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 8 – Ngwagakgolo 9 – Ngwagakgolo 10 |
| Mengwagasome: | 790s 800s 810s – 820s – 830s 840s 850s |
| Mengwaga: | 818 819 820 – 821 – 822 823 824 |
821 (DCCCXXI) ebile ngwaga wa go thoma ka Labohlano, ngwaga wa bobedi ngwagengsome wa 820s, ngwaga wa bomasomepedi tee ngwagengkgolo wa Ngwagakgolo 9, le ngwaga wa bomakgolo seswai masomepedi tee ngwagengkete wa Ngwagakete 1.