Ngwagakete: Ngwagakete 2
Mengwagakgolo: Ngwagakgolo 14Ngwagakgolo 15Ngwagakgolo 16
Mengwagasome: 1390s  1400s  1410s  – 1420s –  1430s  1440s  1450s
Mengwaga: 1418 1419 142014211422 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.