1837 (MDCCCXXXVII) ebile ngwaga wa go thoma ka Sontaga, ngwaga wa boseswai ngwagengsome wa 1830s, ngwaga wa bomasometharo šupa ngwagengkgolo wa Ngwagakgolo 19, le ngwaga wa bomakgolo seswai masometharo šupa ngwagengkete wa Ngwagakete 2.