1843 (MDCCCXLIII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa bone ngwagengsome wa 1840s, ngwaga wa bomasomenne tharo ngwagengkgolo wa Ngwagakgolo 19, le ngwaga wa bomakgolo seswai masomenne tharo ngwagengkete wa Ngwagakete 2.