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.