1773 (MDCCLXXIII) ebile ngwaga wa go thoma ka Labohlano, ngwaga wa bone ngwagengsome wa 1770s, ngwaga wa bomasomešupa tharo ngwagengkgolo wa Ngwagakgolo 18, le ngwaga wa bomakgolo šupa masomešupa tharo ngwagengkete wa Ngwagakete 2.