773 (DCCLXXIII) ebile ngwaga wa go thoma ka Mošupologo, ngwaga wa bone ngwagengsome wa 770s, ngwaga wa bomasomešupa tharo ngwagengkgolo wa Ngwagakgolo 8, le ngwaga wa bomakgolo šupa masomešupa tharo ngwagengkete wa Ngwagakete 1.