Ngwagakete: Ngwagakete 2
Mengwagakgolo: Ngwagakgolo 14Ngwagakgolo 15Ngwagakgolo 16
Mengwagasome: 1400s  1410s  1420s  – 1430s –  1440s  1450s  1460s
Mengwaga: 1436 1437 143814391440 1441 1442

1439 (MCDXXXIX) ebile ngwaga wa go thoma ka Labobedi, ngwaga wa bolesome ngwagengsome wa 1430s, ngwaga wa bomasometharo senyane ngwagengkgolo wa Ngwagakgolo 15, le ngwaga wa bomakgolo nne masometharo senyane ngwagengkete wa Ngwagakete 2.