1438 (MCDXXXVIII) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa bosenyane ngwagengsome wa 1430s, ngwaga wa bomasometharo seswai ngwagengkgolo wa Ngwagakgolo 15, le ngwaga wa bomakgolo nne masometharo seswai ngwagengkete wa Ngwagakete 2.