831
| Ngwagakete: | Ngwagakete 1 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 8 – Ngwagakgolo 9 – Ngwagakgolo 10 |
| Mengwagasome: | 800s 810s 820s – 830s – 840s 850s 860s |
| Mengwaga: | 828 829 830 – 831 – 832 833 834 |
831 (DCCCXXXI) ebile ngwaga wa go thoma ka Laboraro, ngwaga wa bobedi ngwagengsome wa 830s, ngwaga wa bomasometharo tee ngwagengkgolo wa Ngwagakgolo 9, le ngwaga wa bomakgolo seswai masometharo tee ngwagengkete wa Ngwagakete 1.