1477 (MCDLXXVII) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa boseswai ngwagengsome wa 1470s, ngwaga wa bomasomešupa šupa ngwagengkgolo wa Ngwagakgolo 15, le ngwaga wa bomakgolo nne masomešupa šupa ngwagengkete wa Ngwagakete 2.