1820
| Ngwagakete: | Ngwagakete 2 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 18 – Ngwagakgolo 19 – Ngwagakgolo 20 |
| Mengwagasome: | 1790s 1800s 1810s – 1820s – 1830s 1840s 1850s |
| Mengwaga: | 1817 1818 1819 – 1820 – 1821 1822 1823 |
1820 (MDCCCXX) ebile ngwagamolele wa go thoma ka Mokibelo, ngwaga wa pele ngwagengsome wa 1820s, ngwaga wa bomasomepedi ngwagengkgolo wa Ngwagakgolo 19, le ngwaga wa bomakgolo seswai masomepedi ngwagengkete wa Ngwagakete 2.