1871 (MDCCCLXXI) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bobedi ngwagengsome wa 1870s, ngwaga wa bomasomešupa tee ngwagengkgolo wa Ngwagakgolo 19, le ngwaga wa bomakgolo seswai masomešupa tee ngwagengkete wa Ngwagakete 2.