1421
| Ngwagakete: | Ngwagakete 2 |
|---|---|
| Mengwagakgolo: | Ngwagakgolo 14 – Ngwagakgolo 15 – Ngwagakgolo 16 |
| Mengwagasome: | 1390s 1400s 1410s – 1420s – 1430s 1440s 1450s |
| Mengwaga: | 1418 1419 1420 – 1421 – 1422 1423 1424 |
1421 (MCDXXI) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa bobedi ngwagengsome wa 1420s, ngwaga wa bomasomepedi tee ngwagengkgolo wa Ngwagakgolo 15, le ngwaga wa bomakgolo nne masomepedi tee ngwagengkete wa Ngwagakete 2.