1775 (MDCCLXXV) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa botshelela ngwagengsome wa 1770s, ngwaga wa bomasomešupa hlano ngwagengkgolo wa Ngwagakgolo 18, le ngwaga wa bomakgolo šupa masomešupa hlano ngwagengkete wa Ngwagakete 2.