1427 (MCDXXVII) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa boseswai ngwagengsome wa 1420s, ngwaga wa bomasomepedi šupa ngwagengkgolo wa Ngwagakgolo 15, le ngwaga wa bomakgolo nne masomepedi šupa ngwagengkete wa Ngwagakete 2.