877 (DCCCLXXVII) ebile ngwaga wa go thoma ka Labohlano, ngwaga wa boseswai ngwagengsome wa 870s, ngwaga wa bomasomešupa šupa ngwagengkgolo wa Ngwagakgolo 9, le ngwaga wa bomakgolo seswai masomešupa šupa ngwagengkete wa Ngwagakete 1.